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

Byju's Answer

Standard X

Physics

Electromagnetic Induction

is a variable...

Question

__________ is a variable resistor, which is used to control the flow of electric current by manually increasing or decreasing the resistance.

Rheostat

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

Inductor

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

Capacitor

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

None of these

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

Open in App

Solution

The correct option is A Rheostat
$R h e o s t a t$ is the device to control the current in the circuit by changing the resistance.

Answer-(A)

Suggest Corrections

Similar questions

Q. When a resistor of

11 Ω

is connected in series with an electric cell, the current flowing in it is

0.5 A

. Instead, when a resistor of

5 Ω

is connected to the same electric cell in series, the current increases by

0.4 A

. The internal resistance of the cell is

Q. When a resistor of 11

Ω

is connected in series with an electric cell, the current flowing in it is

0.5 A

. Instead when a resistor of

5 Ω

is connected to the same electric cell in series, the current increases by

0.4 A

. The internal resistance of the cell is

Q. When a resistor of

11 Ω

is connected in series with a electric cell. The current following in it is

0.5 A

. Instead when a resistor of

5 Ω

is connected to the same electric cell in series, the current increases by

0.4 A

. The internal resistance of the cell is

Q. Some students set up the circuit shown to investigate how a variable resistor affects an electrical circuit.
If the variable resistance is increased :

The heat produced by passing an electric current through a fixed resistor is proportional to the square of :
(a) magnitude of resistance of the resistor
(b) temperature of the resistor
(c) magnitude of current
(d) time for which current is passed

Join BYJU'S Learning Program

__________ is a variable resistor, which is used to control the flow of electric current by manually increasing or decreasing the resistance.

The correct option is A RheostatRheostat is the device to control the current in the circuit by changing the resistance.Answer-(A)

The correct option is A Rheostat
$R h e o s t a t$ is the device to control the current in the circuit by changing the resistance.

Answer-(A)