Science 10 REVIEW

It is the angular difference between the true north and the north indicated by a compass.

• Magnetic deviation
• Magnetic declination
• Compass variance
• Geographic inclination

It can magnetize the object in the presence of an external magnetic field.

• Magnetic induction
• Electric conduction
• Thermal insulation
• Chemical reaction

The picture shows how the right-hand rule in motor principle works. Identify direction A.

• Force

• Direction of current

• External magnetic field

• Gravity

_______ is the device used to measure electric currents.

• Voltmeter

• Ammeter

• Galvanometer

• Electric motor

It is a device used to measure potential difference.

• Voltmeter

• Ammeter

• Galvanometer

• Electric motor

The device used to measure magnitude and direction of small electric currents is _______?

• Voltmeter

• Ammeter

• Galvanometer

• Electric motor

_______ is a current that flows in one direction only.

• Electric current

• Direct current

• Alternating current

• Induced current

It is the process of creating a current in the conductor by changing the magnetic field.

• Electromagnetic induction

• Induced current.

• Mutual induction

• None of these

It occurs whenever a changing current in one coil induces a current in the nearby coil.

• Electromagnetic induction

• Induced current.

• Mutual induction

• None of these

It is a device that convert mechanical energy into electrical energy.

• Voltmeter

• Ammeter

• Galvanometer

• Generator