Question Bank

Which of these is the correct color code for the Earth wire in modern household wiring?

A voltmeter should always be connected in ____ with the component.

What is the formula for calculating electrical power?

Which material is commonly used for making heating elements in electric heaters?

An electric iron consumes 1000W of power. If it is used for 1 hour, how much energy is consumed in units?

What does an electric motor convert?

The potential difference between the live wire and neutral wire in Nepal is generally:

What is the work done per unit charge known as?

Which of the following does NOT affect the resistance of a conductor?

A step-up transformer increases the:

What is the direction of conventional current?

What is the resistance of an ideal ammeter?

Which of these is used to change the voltage in an AC circuit?

What is the purpose of grounding (earthing) an appliance?

The SI unit of resistivity is:

Which law describes the heat produced in a conductor due to current?

What type of current is supplied by a battery?

If the resistance of a circuit is doubled while the voltage remains the same, the current will:

Which rule is used to find the direction of force on a current-carrying conductor in a magnetic field?

Which of the following describes a parallel circuit?