Quiz on Electricity and Magnetism

What is the unit of electric current?

• Volt

• Ampere

• Ohm

• Watt

Which of the following is a correct relation between electricity and magnetism?

• Faraday’s Law

• Ohm’s Law

• Newton’s Law

• Boyle’s Law

What is the unit of resistivity?

• Ohm-meter

• Ohm

• Siemens

• Volt

Which material has the highest resistivity?

• Copper

• Silver

• Rubber

• Gold

What is the S.I. unit of work done?

• Joule

• Newton

• Watt

• Pascal

The S.I. unit of force is:

• Joule

• Newton

• Watt

• Pascal

What is the formula for work done?

• Force × Distance

• Mass × Acceleration

• Power × Time

• Energy × Time

Power is defined as:

• Work done per unit time

• Force per unit area

• Energy per unit charge

• Mass per unit volume

Which component is used to store electrical energy?

• Resistor

• Capacitor

• Inductor

• Diode

A diode allows current to flow in:

• Both directions

• One direction

• No direction

• Alternating directions