MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Magnetic Field Due to a Circular Ring on the Axis

A tangent gal...

Question

A tangent galvanometer is connected directly to an ideal battery. If the number of turns in the coil is doubled, the deflection will

A

increase

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

decrease

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

remain unchanged

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

either increase or decrease

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A decrease
$I = \frac{C}{N B A} ϕ$

If the turns increased, the delection will decrease.

Suggest Corrections

thumbs-up

1

Similar questions

Q. A tangent galvanometer is connected directly to an ideal battery. If the number of turns in the coil is doubled the deflection will

(a) increase
(b) decrease
(c) remain unchanged
(d) either increase or decrease

Q. The resistance of the coil of a tangent galvanometer is

60 Ω

. It is connected to a battery of negligible internal resistance. The deflection is found to be

60^{o}

. Now a shunt resistance of

30 Ω

is connected across the coil of the tangent galvanometer. The deflection produced will be :

Q. A moving coil galvanometer

A

100

turns and resistance

50 Ω

. Another moving coil galvanometer

B

has number of turns

500

200 Ω

. The other quantities are same in both cases. They are connected by a battery of internal resistance of

50 Ω

respectively. The ratio of deflection of

B

A

is (Give integer value)

Q. If the current is doubled, the deflection is also doubled in

(a) a tangent galvanometer
(b) a moving-coil galvanometer
(c) both
(d) none

Q. A galvanometer is connected to the secondary coil of a transformer with turn ratio

1 : 3

. When current is started in the primary coil the galvanometer shows an instantaneous maximum deflection of

7

div. Now if the primary coil is short circuited, the new instantaneous maximum deflection will be

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Magnetic Field Due to a Current Carrying Wire

PHYSICS

Watch in App

explore_more_icon

Explore more

Magnetic Field Due to a Circular Ring on the Axis

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon