Understanding Electromagnetism

Understanding Electromagnetism

10th Grade

10 Qs

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Understanding Electromagnetism

Understanding Electromagnetism

Assessment

Quiz

Science

10th Grade

Practice Problem

Hard

Created by

Mizpah Gumaya

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What creates a magnetic field around a conductor?

The temperature of the conductor.

An electric current flowing through the conductor.

A static charge on the conductor.

The material of the conductor itself.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which rule is used to determine the direction of the magnetic field produced by a straight current-carrying wire?

Fleming's right-hand rule

Right-hand rule

Ampere's law

Left-hand rule

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when current passes through a coil of wire?

The coil emits light instead of a magnetic field.

The coil becomes electrically charged.

A magnetic field is generated around the coil.

The coil loses its resistance to current.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following does not affect the strength of the magnetic field around a solenoid?

The type of core material used

The current through the coil

The color of the wire

The number of turns in the coil

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An electromagnet is preferred over a permanent magnet in devices like cranes because:

Permanent magnets can be turned on and off easily.

Electromagnets can be controlled and adjusted, unlike permanent magnets.

Electromagnets are more expensive to produce than permanent magnets.

Permanent magnets are lighter than electromagnets.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the distance from a current-carrying wire affect the strength of the magnetic field?

The magnetic field strength decreases as the distance from the wire increases.

The magnetic field strength remains constant regardless of the distance from the wire.

The magnetic field strength increases as the distance from the wire increases.

The magnetic field strength is strongest at a distance from the wire.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the magnetic field when the current in a wire is reversed?

The magnetic field disappears completely.

The magnetic field reverses direction.

The magnetic field remains unchanged.

The magnetic field becomes stronger.

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