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What is the inductance of a coil whose resistance is 118 Ω if it draws 0.42 A from a 112-V, 53-Hz power line?
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- A certain transformer has exactly 191 turns on its primary side and exactly 126 turns on its secondary side. If an AC voltage of 11.8 V is applied to the primary side, what voltage will appear on the secondary side?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 outputFor Transformer winding1 N1=1000 turns, N2= 200 turns and V1=220 Volts, secondary resistance of 22 Ohms. What is the AC power of the transformer in units of VA?
- The primary coil of a transformer has 100 loops and is connected to a circuit with 120 volts (primary voltage). What is the output voltage (secondary voltage) if the secondary coil has 50 loops?A certain transformer has exactly 119 turns on its primary side and exactly 199 turns on its secondary side. If an AC voltage of 22.5 V is applied to the primary side and draws 6.60 A of current, what current will flow on the secondary side?A transformer is rated at 303W and transforms a higher AC Vrms to 240V-AC. The number of turns in the lower voltage coils is 316. What is the peak alternating current (in AA) in the higher-voltage coils of the transformer if it has 615 turns?Note: 0.649 and 1.26 are wrong answers. :(
- A step-up transformer is designed to produce 1610 V from a 115-V ac source. If there are 392 turns on the secondary coil, how many turns should be wound on the primary coil?When 9 A of AC current at 123 V flows in the primary coil of an ideal transformer, how many amps at 23 V will flow in the secondary?A 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?
- Energy is distributed to households from electrical substations as an ac signal 20,000Vsin(2π*60Hz*t). The transformers near the houses steps down this voltage to 120Vsin(2π*60Hz*t), which is our household ac voltage. If the secondary coil transformer has 190 turn, how many turns does the primary coil have?A generator supplies 120 V to a transformer's primary coil, which has 58 turns. If the secondary coil has 590 turns, what is the secondary voltage?The primary voltage of a 2300/230 volts transformer has a frequency of 60 cycles. What is the frequency of the secondary voltage?