Home
Class 12
PHYSICS
In a Wheatstone's brigde all the four ar...

In a Wheatstone's brigde all the four arms have equal resistance `R`. If the resistance of the galvanometer arm is also `R`, the equivalent resistance of the combination as seen b the battery is

A

`(R )/(4)`

B

`(R )/(2)`

C

R

D

2R

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    MODERN PUBLICATION|Exercise REVISION EXERCISES (FILL IN THE BLANKS)|10 Videos

  • CURRENT ELECTRICITY

    MODERN PUBLICATION|Exercise REVISION EXERCISES (SHORT ANSWER QUESTIONS)|37 Videos

  • CURRENT ELECTRICITY

    MODERN PUBLICATION|Exercise REVISION EXERCISES (VERY SHORT ANSWER QUESTIONS)|46 Videos

  • ATOMS

    MODERN PUBLICATION|Exercise Chapter Practice Test|16 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|15 Videos

Similar Questions

Explore conceptually related problems

In a Whatstone's bridge all the four arms have equal resistance R_(0) . If the resistance of the galvanometer arm is 2R_(0) , the equivalent resistance of the combination as seen by the battery is

In a wheatstone bridge resistance of each of the four sides is 10Omega . If the resistance of the galvanometer is also 10Omega , then effective resistance of the bridge will be

In a wheatstone bridge the four arms have each resistance of 50 ohm.The galvanometer current is "

If each of the resistance in the network in figure R , the equivalent resistance between terminals A and B is

Resistance of each resistor is R. Then the equivalent resistance across A and B is

A wire of resistance r is cut into m equal parts. These parts are then connected in parallel . The equivalent resistance of the combination will be