Basic Circuit

Voltage is given by the formula ———-

• V=I*R

• V=I/R

• V=I-R

• V=I+R

State true or false: A switch can be used only to open the circuit and cannot be used to close a circuit.

• True

• False

Answer explanation

A switch can be used to open or close an electric circuit.

A circuit in which components are connected to the same voltage, and the current divides between the various components according to their resistance is known as ———

• Series circuit

• Parallel circuit

• Combination circuit

• None of the option

How much voltage a red LED can handle ---

• 1V

• 2V

• 5V

• 9V

what is the measuring unit for current ?

• ampere

• Volt

• voltmeter

• Ammeter

Which instrument used for measuring the potential difference ?

• ammeter

• voltmeter

• volt

• ampere

Where are open circuits used in daily life?

Answer explanation

We create open circuits everyday to turn off a light, or bulb or any electronic products we need to break to flow of electrons

What type of circuit is used in homes?

• Series

• Open

• Parallel

• None of the answers are corret