Home
Class 12
PHYSICS
A cable of resistance 10 Omega carries e...

A cable of resistance `10 Omega` carries electric power from a generator producing `250 kW at 10,000 V`. The current in the cable is

A

25 A

B

250 A

C

100 A

D

1000 A

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • HEATING AND CHEMICAL EFFECT OF CURRENT

    ERRORLESS |Exercise Heating Effect of Current|2 Videos

  • HEATING AND CHEMICAL EFFECT OF CURRENT

    ERRORLESS |Exercise Chemical Effect Current|1 Videos

  • ELECTROSTATICS

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Electric Flux and Gauss.s Law)|28 Videos

  • KINETIC THEORY OF GASES

    ERRORLESS |Exercise QUESTIONS|126 Videos

Similar Questions

Explore conceptually related problems

A generator is supplying power to a factory by cables of resistance 20 Omega . If the generator is generating 50 kW power as 5000 V , what is the power received by factory ?

A generator is supplying power to a factory by cables of resistance 20Omega . If the generator is generating 50kW power at 5000V. What is the power received by the factory?

A battery is supplying power to a tape recorder by cable of resistance of 0.02 Omega . If the battery is generating 50 W power at 5 V, then the power received by the tape recorder is

A galvanometer of resistance (G) 10 Omega and a series resistance 250 Omega is used to convert it into a voltmeter of 2 V reading. The current passing through the voltmeter is nearly

A 5V battery with internal resistance 2Omega and a 2V battery with internal resistance 1Omega are connected to a 10Omega resistor as shown in the figure. The current in the 10Omega resistor is

A house is fitted with certain numbers of 100 W, 230 V incandescent lamps. The power to the house is fed by a generator producing the power at 240 V . The resistance of the wires from the generator to the house is 2 Omega . Find the maximum number of lamps that can be illuminated so that the voltage across none of the lampsdrops below 230 V .

A 5 V battery with internal resistance 2Omega and a 2V battery with internal resistance 1Omega are connected to a 10Omega as shown in the figure. The current in the 10Omega resistance is

An ac source is connected across a resistance of 10 Omega The power dissipated in the resistor is 100W The rms valuse of the current and voltge are .

As electric lamp and a conductor of resistance 4 Omega are connected in series to a 6 V battery. The current drawn by the lamp is 0.25 A. Find the resistance of the electric lamp.