Electric Circuits

IMPORTANT

Electric Circuits: Overview

This topic covers concepts, such as, Rheostat, Resistor, Symbols Used in Electric Circuit, Resistance, LED, Variable Resistors, Transducers, LDR, Thermistor, Electric Relay, A Diode and Its Symbol & Rectifier etc.

Important Questions on Electric Circuits

EASY
IMPORTANT

What is the use of a thermistor?

EASY
IMPORTANT

Explain the working of a rectifier.

EASY
IMPORTANT

Relay is composed of switch and a coil.

EASY
IMPORTANT

Relay is a type of switch that uses an electromagnet.

EASY
IMPORTANT

What is a transducer? 

EASY
IMPORTANT

The light-dependent resistor is a transducer.

EASY
IMPORTANT

What do you mean by variable resistance?

EASY
IMPORTANT

Variable resistors are called rheostat.

EASY
IMPORTANT

Variable resistors are resistors with changing resistance.