Find the equivalent resistance. Answer in units of ohm. A 146 ohm lamp, a 30 n e

Question

Find the equivalent resistance. Answer in units of ohm. A 146 ohm lamp, a 30 n electric heater, and a 47 n fan are connected in parallel across a 127 V line. What total current is supplied to the circuit? Answer in units of A What is the voltage across the fan? Answer in units of V What is the current in the lamp? Answer in units of A What power is expended in the heater? Answer in units of W Find the equivalent resistance between points a and b in the figure. Answer in units of n

Explanation / Answer

24 V across each resistor, as potential across each reasistor in parallel is same. I=V/R=24/14=12/7=1.71h A I=V/Req=24/5.1=4.714 A 3.665? P=V2/R => V=?12*3665=6.632 V 7.189 ? Req=16.27, I=V/R=127/16.27=7.8A Potential=127V I=V/R=127/146=0.87A P=V2/R=1272/30=537.6 W REq= 7.92 ?

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