Q: The magnetic field of 8.9 T is___________G
A: We need to convert 8.9 T to Gauss units.
Q: voltage of the secondary
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Q: A transformer works on the principle of
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Q: What type of current will a generator produce?
A: Generator is a voltage source which is proportional to speed, with a fixed resistance in series.
Q: the
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Q: What happens in the secondary coil of a transformer?
A: secondary coil
Q: How a step up transformer works?
A: The transformer is a static electrical device that is used in many electronic devices like inverters…
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Q: A transformer has an input of 61 V and an output of 52 V. If the input is changed to 85 V. what the…
A: Given vin=61V vout=52 V vin'=85V
Q: A step-up transformer has 30 turns on the primary coil and 750turns on the secondary coil. If this…
A: The ratio of number of turns of primary to secondary in a transformer is NpNs=VpVs Here, Np is the…
Q: A current of 5.75 A flows in the coil of wire from an applied voltage of 120 V. The motor operates…
A:
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A: Given in question: Inductance of coil (L) = 0.3 H Voltage induced(E)…
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Q: a current of 3.3 A creates a flux of 160micro Wb in a coil of 317 turns. calculate the induced emf…
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Q: If there are 7 times as many turns in the secondary coil of a transformer than in the primary coil,…
A: Write the given values with the suitable variables. Ns=7NpIp=4.7 A Here, Ns, Np, and Ip are the…
Q: What is basic difference between a generator and an electric motor?
A: The key difference between the two is that the electric motor is an electrical system that…
Q: A step up transformer decreases current. O True O False
A: Applying conservation of energy on primary and secondary coil we can see Pp=Ps i.e. Power in…
Q: How does the current in the secondary of a transformer compare with the current in the primary when…
A: Given: secondary volatge is twice the primary volatge Vs = 2Vp
Q: A generator has a 46-turn coil with an area of 0.07 m2 that turns at 25.0 rad/s in a 0.48 T magnetic…
A: Given, Number of turns,N=46 Area of coil, A=0.07 m2 Angular speed,ω=25 rad/s Magnetic field,B=0.48 T…
Q: What current in a solenoid 15.0-cm long wound with 100 turns would produce a magnetic field equal to…
A:
Q: In a step-up transformer, the primary voltage is ____ the secondary voltage. A. greater than B.…
A: In a step-up transformer, the primary voltage is ____ the secondary voltage. A. greater than B. less…
Q: A generator has a 400 turns coil that is 10 cm long and 12 cm wide. The coil rotates at 8 rev/s in a…
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Q: Your family decides to limit TV watching to 17 hours every week. If the power rating on your TV is…
A: Given data: Number of hours uses in a week (t) = 17 h Power (P) = 394 W = 0.394 kW Electricity cost…
Q: A flux of 25 mWb links with a 1500 turn coil when a current of 3 A passes through the coil.…
A: Given data: Magnetic flux, ϕ=25 mWb = 0.025 Wb Current through the coil, I = 3 A Number of turns, n…
Q: Why is the iron core of a transformer made laminated instead of being in one solid piece?
A: In an actual transformer, small energy losses occur and the efficiency gets reduce. The laminated…
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A:
Q: The current in a 12-Ω operated at 120 V is
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Q: A Transformer having 1200 Primary turns connected to a 252 V a.c. supply. For a secondary Voltage of…
A: The transformer is a device that transfers electric energy from one AC circuit to one or more…
Q: How does the power input to an efficient transformer compare with the power output?
A: The efficiency of a transformer is defined as the ratio of output power to the given input power.
Q: A generator produces 35 A of current at 240 V. The voltage is increased to 12,000 V using a step-up…
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Q: An ideal transformer has 50 turns in its primary and 250 turns in its secondary. 12-V ac is…
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Q: A step-down transformer is to be used to convert an ac volt- age of 120 V to 12 V to power an…
A: Answer:- Let Number of secondary coil = x We know that (Voltage output)/ (Voltage input) =…
Q: A current of 5.75A flows in the coul of wire from an applied voltage of 120V. The motor operates at…
A: I = 5.75 A Vapplied = 120 V Back emf ( E ) = 32 V
Q: What energy conversion does take place in a generator when it in use?
A: The law of conservation of energy states that energy can neither be created nor be destroyed and…
Q: A step up transformer on a 114.8 volt line has 59 loops on the primary and 162 loops on the…
A:
Q: 23. A neon sign that requires a voltage of 11,000 V is plugged into a 120-V wall outlet. What turns…
A: Output voltage (Vs) = 11000 volts Input voltage (vp) = 120 volts
Q: Primary coil of a transformer connected to 120v source draws a 12a. Secondary coil has 800 turns and…
A: Given: Supply voltage (εp) = 120 V. Current in primary coil (ip) = 12 A. Turns in secondary coil…
Q: The magnetic field at a distance r=50 cm away from the wire is 6.8 x 10(-7) T. Compute the wire's…
A:
Q: The magnetic field of 8.9 T is_ G
A: Magnetic field is an area around an moving charged particle which produces magnetic field. Tesla is…
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- A transformer is used to provide voltage to a neon sign. The input voltage is 120 V and the output voltage is 600 V. The number of turns on the primary coil of the transformer is 300. The current supplied to the transformer is 2.5 A. What is the number of turns on the secondary coil and the current used in the neon sign? a. The number of turns in the secondary coil is 240 and the current in the sign is 2.5 A b. The number of turns in the secondary coil is 60 and the current in the sign is 2.5 A c. The number of turns in the secondary coil is 240 and the current in the sign is 0.5 A d. The number of turns in the secondary coil is 60 and the current in the sign is 0.5 A e. The number of turns in the secondary coil is 1500 and the current in the sign is 0.5 AA step-down transformer has 5,000 turns in its primary winding and is connected to a 240-Volts AC line. It runs a device that runs on a current of 20.0 Amperes at 6.0 Volts. What current flows through the primary winding? Find the number of turns in the secondary winding?A transformer has 400 turns on its secondary and 100 turns on its primary. the primary is connected to a 10-V source. what is the voltage output of the secondary? if 3 A flows in the primary coil, how much current is there in the secondary coil?
- A transformer consists of a 500-turn primary coil and a 2000-turnsecondary coil. If the current in the secondary is 3.0A, what is the current in the primary?A transformer has a primary coil with 100 turns and a secondary coil with 500 turns. The primary current is 3 A. What is the secondary current?A transformer consists of a 500-turn primary coil and a 2000-turn secondary coil. If the current in the secondary is 3.0 A, what is the current in the primary?
- A transformer is used to charge a cell phone. The number of turns on the primary coil is 600. The voltage input is 120 V and the output needs to be 9.0 V. The output current is 40 milliamperes. What is the number of turns on the secondary coil and the current in the primary. Assume the transformer is 100% efficient. The number of turns on the secondary coil is 45 and the current in the primary is 533 milliamperes The number of turns on the secondary coil is 8000 and the current in the primary is 533 milliamperes The number of turns on the secondary coil is 45 and the current in the primary is 3.0 milliamperes. The number of turns on the secondary coil is 8000 and the current in the primary is 3.0 milliamperesYou have a transformer with a primary current of 34A and a primary voltage of 1960V. The current in the secondary coil is 143A. What is the voltage of the secondary coil? What is the ratio of loops in the secondary coil to loops in the primary coil?A transformer has exactly 600 turns on its primary and exactly 200 turns on its secondary. If a voltage of 100.0v is applied to the primary of a 0.250 A flows through the primary windings, then what is the voltage output of the secondary? Answer in V
- The primary or input number of coils of a AC transformer has 500 turns while the secondary has 10 windings. If we supply 120 Volt as input, what voltage do we get as outputA transformer has a primary voltage of 277 volts and a secondary voltage of 120 volts. What is the turns-ratio of this transformer?An external voltage of 60V is applied to a coil whose resistance is 5.25 Ω. What is the current of the coil if the back emf is 9.85 Ω?