In a Wheatstone bridge experiment using a 5 ohm known resistor, the balance point for a certain unknown resistor was at L = 35 cm. The value of the unknown resistor Rx (ohm) is: 1m m Im wwT w Rx
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- Home work sa PiJ A sevies Circuit.consists of three resistors R=25k, R2 = 65k2,R3=80 k.1f the voltage drop across R is lov, calculata thes a) Supply voltage ) Valtage drop across Rg 9 power dissipatd by R2 %3D (Ans: 68 V, 32 V, l04 mw).Ris the total resisteance of three resistors, connected in parallel, with resistances R1, R2, R3. then R1 R2 R3 If the resistances are measured in ohms as R1 = 45N, R2 = 40N, and R3 = 302, with a possible error of 0.4% in each case, estimate the maximum error in the calculated value of R. N. AR =An electrical circuit that includes a voltage source 8. vs with an internal resistance rs and a load resis- tance R, is shown in the figure. The power P dissi- rsi Battery pated in the load is given by vR, P = (RL +rs) RL ww Plot the power P as a function of R for I RS 102, given that vs = 12 V and rs = 2.5 2.
- If R is the total resistance of two resistors, connected in parallel, with resistances R, and R2, then 1 RR R2 If the resistances are measured in Ohms as R, = 172, R2 = 56Q, with possible error of 1% in each case, estimate the maximum error in the calculated value of R. The estimate of the maximum error in Ris: 73/95200 Σmam/sir how do u draw an electrical circuit, with a voltometer and a anmeter.In the circuit shown, R,=R2=R, and ɛ2 =. The power dissipated in R, is 40 W. Does battery ɛ2 supply or absorb energy, what is the rate of energy ɛ2 exchanges 2 with the circuit? Assume that the batteries are ideal. Rz=R R www R R,=R Ez R
- If R is the total resistance of two resistors, connected in parallel, with resistances R1 and R2, then 1 1 R R R If the resistances are measured in Ohms as R = 172, R2 = 562, with possible error of 1% in each case, estimate the maximum error in the calculated value of R. The estimate of the maximum error in R is: 73/95200 Help Entering AnswersThe internal resistance of the DMM is 10 M when used as a voltmeter. Calculate Req of the voltmeter connected to a resistor in the circuit.the voltage across a 3.71uf capacitor in a tv circuit is 4.54 mV. Find the voltage after 0.563ms if a current is given below (in uA) further changes the capacitor. i= (1+6t)^(1/3) The voltage at t = 0.563 ms is _________ mV. I have no clue on the steps to solve such a problem help would be greatly appreciated
- During an experiment to verify Ohm's law, the voltage supplied and the current through a circuit are measured. [Voltage is measured in Volt (V) and current in Ampere (A)]. V www R A Battery The measured value of the current is I = 2.8 ± 0.1 A and that of the voltage is V = 18 ± 0.4 V. The resistance of the circuit %3D %3D (in Q) can be calculated using the formula, R =V/I, Calculate the, a) Resistance (in Q) = b) Fractional uncertainty in the resistance = c) Absolute uncertainty (in 2) in the resistance=A capacitor of 7.99 µF is discharged through a resistor of resistance R. The time constant of the discharge is 5.6 space cross times space 10 to the power of negative 3 end exponent s Calculate the value of R.The largest operating wind La generator in the world has a rotor diameter of almost 100m. This nits generator can deliver 3 3.1 MW of power. Suppose you connect adl 3.0 K resistor, a 4.0K resistor, and a 5.ok resistor in parallel- klhat potential difference must be applied across these resistors) in order to dissipate power w 1.00 percent of the Jock equal to power provided by the generator? Show all working step-by-step gat2 word stz