An inductive coil with a resistance R and Inductance L is connected in parallel with a 30ohm resistor. The combination is then connected across a 60hz ac source. If the currents in the coil, resistor and the total are 6,4 and 8A
a 25ohm resistor connected in series with a coil of 500ohm resistance and 150mH inductance. What is the power factor of the circuit? NOTE: since not given, assume a standard electrical frequency of 60Hz.
A total resistance of 3 ohms is to be producd by combining an unknown resistor R with a 12 ohm resistor. What is the value of R and how is it connected to the 12 ohm resistor a) 4.0 ohm parallel b) 4.0 ohm in series c) 2.4 ohm in
A coil of inductance 0.04henry and negligible resistance is connected in parallel with a 10ohms resistor, across a 240volts supply of frequency 50hz. Calculate:1) the current through the resistance, 2) the current through the
three resistances of value 1 ohm, 2 ohm and 3 ohm are connected in parallel.If the effective resistance of the circuit has to be 1 ohm, the value of the resistance to be connected in series to this circuit should be?
1.1. A resitance of 1.5ohm is connected in parallel with a resistance of 3 ohm. This combination is connected in series with a resistance of unknown resistance of value R. The circuit is then connected acress a 10 V supply.
A 30 ohm resistor is connected in parallel with a variable resistance R and the parallel combination is then connected in series with a 5 ohm resistor, and connected across 120 volt source. Find the minimum value of R if the power
A 18.7 ohm and a 24.3 ohm resistor are connected parallel. A difference in potential of 41.5 V is applied to the combination. What is the equivalent resistance of the parallel circuit? Answer in units of ohm .
A 30 ohm resistor is connected in parallel with a variable resistance R. The parallel combination is then connected in series with a 6 ohm resistor and connected across a 120 V source. Find the minimum value of R if the power
A 72-ohm coil of wire is connected in series with an adjustable resistor (rheostat) whose resistance can be varied from 0 to 88 ohms. If the line potential is 115 volts, calculate (a) the range through which the coil current can