Home
Class 12
PHYSICS
The coils made of same material in two m...

The coils made of same material in two moving coil galvanometer have their area in the ratio of `2:3` and number of turns in the ratio `4:5` . These two coils carry the same current and are situated in the same field. The deflections produced by these two coils willl be in the ratio of

A

`8:15`

B

`15:8`

C

`8:1`

D

`1:4`

Text Solution

Verified by Experts

The correct Answer is:
A
`tau theta = BAIN`
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise EXERCISE - 1(C.W) (CONVERSION OF MCG INTO AMMETER AND VOLTMETER)|12 Videos

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise EXERCISE - 1(H.W) (AMPERE.S CIRCUITAL LAW BIOT-SAVART LAW AND ITS APPLICATIONS|7 Videos

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise EXERCISE - 1(C.W) (TORQUE ON CURRENT LOOP)|3 Videos

  • MAGNETISM AND MATTER

    NARAYNA|Exercise EXERCISE - 4 (SINGLE ANSWER TYPE QUESTION)|17 Videos

  • NUCLEAR PHYSICS

    NARAYNA|Exercise LEVEL-II-(H.W)|9 Videos

Similar Questions

Explore conceptually related problems

If in a moving coil galvanometer, a current I produces a deflection theta , then

Two wires made of same material have lengths in the ratio 1:2 and their volumes in the same ratio. The ratio of their resistances is

If number of turns in moving coil galvanometer becomes half , then the deflection for the same current will become

When equal current is passed through two coils equal magnetic field is produced at their centres. If the ratio of number of turns in the coils is 8:15 then the ratio of the their radii will be

A moving coil galvanometer has N numbr of turns in a coil of effective area A , it carries a current I . The magnetic field B is radial. The torque acting on the coil is

When two co-axial coils having same current in same direction are bring to each other, then the value of current in both coils:

Two coils are made of copper wires of same length in the first coil the number turns is 3n and radius is r. In the second coil number of turns is n and radius is 3r the ratio of self inductances of the coils will be :-

Two coils are made of same material such that radius of one coil is twice of the other and magnetic field is same at the centres then ratio of potential difference applied across 1^st to second coil is