17th
Apr

# Magnetism and Electromagnetism MCQ

• 17th Apr, 2021
• 1031 Followers

## Take Magnetism and Electromagnetism MCQ Test & Online Quiz to test your Knowledge

Below is the Magnetism and Electromagnetism MCQ test that checks your basic knowledge of Magnetism and Electromagnetism. This Magnetism and Electromagnetism MCQ Test contains 20 Multiple Choice Questions. You have to select the right answer to the question. Finally, you can also take the Online Quiz from the Take Magnetism and Electromagnetism Quiz Button.

## Magnetism and Electromagnetism MCQ Test

### 1) Electrons have a ____________ charge

• A. Neutral
• B.Negative
• C.Positive
• D.None of them

### 2) Electric current flowing through a wire produces

• A. an open circuit
• B.static electricity
• C.a magnetic field
• D.a permanent magnet

### 3) Tesla is a unit of _______

• A. flux
• B.inductance
• C.flux density
• D.field strength

### 4) Ferrites are a sub-group of ______

• A. paramagnetic materials
• B.ferro-magnetic materials
• C.ferri-magnetic materials
• D.non-magnetic materials

### 5) Which of the following is not a unit of flux?

• A. Weber
• B.Telsa
• C.Maxwell
• D.All of above

### 6) Unit for quantity of electricity is

• A. watt
• B.joule
• C.coulomb
• D.ampere-hour

### 7) The uniform magnetic field is ________

• A. Set of parallel conductors
• B.Field of a single conductor
• C.Field in which all lines of magnetic flux are parallel and equidistant
• D.All of above

• A. Silver
• B.Copper
• C.Iron
• D.Both A & B

### 9) Temporary magnets are used in

• A. Motors
• B.Generators
• C.Loud-speakers
• D.All of above

### 10) Magnetic moment is a _______

• A. pole strength
• B.scalar quantity
• C.vector quantity
• D.universal constant

### 11) Magnetic permeability is maximum for ______ material.

• A. Diamagnetic
• B.Paramagnetic
• C.Ferromagnetic
• D.None of them

### 12) Permeability is the inverse equivalent of which electrical term?

• A. Voltage
• B.Current
• C.Resistance
• D.Conductance

### 13) Which electromagnetic device has a flexible cone?

• A. relay
• B.speaker
• C.solenoid
• D.DC generator

• A. True
• B.False

• A. True
• B.False

• A. electrons
• B.protons
• C.neutrons
• D.elements

### 17) A refrigerator magnet is an example of a

• A. magnetic material
• B.permanent magnet
• C.horseshoe magnet
• D.temporary magnet

### 18) What causes magnetism?

• A. friction
• B.sun
• C.moving charges
• D.moving neutrons

• A. iron
• B.copper
• C.cobalt
• D.nickel

• A. TRUE
• B.False

• A. graph
• B.magnet
• C.force
• D.magnetism

### 22) What is an educated guess?

• A. force
• B.prediction
• C.detector
• D.intersection

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