Home
Class 12
PHYSICS
A 12 V lead accumulator is being charged...

A 12 V lead accumulator is being charged using 24 V supply with an external resistance `2 Omega` . The internal resistance of the accumulator is `1 Omega` . Find the time in which it will store 360 W -hour energy.

A

1 hr

B

`7.5` hr

C

10 hr

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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

Two batteries A and B whose emf is 2V are connected in series with external resistance R=1Omega . Internal resistance of battery A is 1.9Omega and that of B is 0.9 Omega .

Determine the current drawn from a 12V supply with internal resistance 0.5 Omega by the infinite network shown in Fig. Each resistor has 1 Omega resistance

In the electric circuit shown each cell has an emf of 2 V and internal resistance of 1Omega . The external resistance is 2Omega . The value of the current is (in A)

The circuit diagram has two cells epsilon_(1) and epsilon_(2) with emf 4 V and 2V respectively, each one having an internal resistance 2 Omega . The external resistance R is of 8 Omega . Find the magnitude and the direction of current flowing through the two cells

A battery of EMF 10 V, with internal resistance 1 Omega is being charged by a 120 V d.c. supply using a series resistance of 10 Omega . The terminal voltage of the battery is

A battery of emf 8 V with internal resistance 0.5Omega is being charged by a 120 V dc supply using a series resistance of 15.5Omega . The terminal voltage of the battery is

An AC generator of 220 V having internal resistance r=10 Omega and external resistance R=100 Omega . What is the power developed in the external circuit?

24 cells of emf 1.5 V each having internal resistance of 1 Omega are connected to an external resistance of 1.5Omega . To get maximum current,