GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
These are used to control the amount of current.
A
Capacitors
B
Resistors
C
Dielectric
D
Insulators
Explanation: 

Detailed explanation-1: -A rheostat is defined as a kind of variable resistor that is used for controlling the flow of electric current just by increasing or decreasing the resistance.

Detailed explanation-2: -A switch is the device which controls the flow of current through a circuit.

Detailed explanation-3: -A resistor is an electrical component that limits or regulates the flow of electrical current in an electronic circuit. Resistors can also be used to provide a specific voltage for an active device such as a transistor.

There is 1 question to complete.