Electricity & Magnetism MCQs with Answers

Past Paper MCQ

To make an uncharged object have a negative charge we must ?

• A.Add some electrons
• B.Remove some electrons
• C.Add some protons
• D.Remove some neutrons

Past Paper MCQ

Which device converts chemical energy into electrical energy?

• A.Generator
• B.Battery
• C.Electric motor
• D.Transformer

Which device stores electric energy in an electric field?

• A.Battery
• B.Inductor
• C.Capacitor
• D.Resistor

A device that opposes the flow of electrons in electronic circuits is called?

• A.Resistor
• B.Capacitor
• C.Inductor
• D.Transformer

Consider two equal resistors wired in parallel. What is the equivalent resistance of the two?

• A.2R
• B.R²
• C.R
• D.R/2

In a parallel circuit, the charge which passes through one resistor will through the other resistors.

• A.Always pass
• B.Never pass
• C.Sometimes pass
• D.Partially pass

Which of the following lists contains only insulators?

• A.Graphite, salt water, human body
• B.Copper, silver, iron
• C.Wood, rubber, glass
• D.Aluminum, gold, zinc

What is the potential difference between two points if moving a 2 C charge requires 600 J of work?

• A.300 V
• B.1200 V
• C.600 V
• D.200 V

The Thermistors convert temperature into ?

• A.Light energy
• B.Mechanical energy
• C.Electrical voltage
• D.Sound waves

What is the electric field of a charge of 1 Coulomb at a distance of 1 meter?

• A.k²
• B.k/2
• C.2k
• D.k