electric current and its effects

Which mark is necessary on electric appliances?

• AGMARK

• ISI

• FICCI

• KSK

If a positive terminal of one cell is connected to the negative terminal of the next cell it is known as

• Electric current

• Fuse

• Battery

• Element

Which of these following cannot be harmed by electric current

• Plastic

• Rubber

• A & B

• All of the above

Refer the diagram. A wire carries a current, creating a magnetic field around itself as shown. The current in the wire is:

• Directed to the right

• Directed to the left

• Equal to the magnetic field

• n the same direction as the magnetic field

Tags

NGSS.HS-PS2-5

An Electric charge in a uniform motion produces

• An Electric Field only

• An Magnetic field only

• Both Electric Field & Magnetic field

• Neither of them

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A wire is parallel to the lines of the force of the magnetic field and the current flows in the wire. Then

• The wire will experience a force along the direction of the magnetic field

• The wire will not experience any force

• The wire will experience the torque

• The wire will experience a perpendicular force

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Who was the first to observe the magnetic effect of electric current?

• Faraday

• Oersted

• Volta

• Ampere

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Identify the poles of the magnet in the given figure.

• NORTH

• SOUTH

• One is north and the other is south

• Can't predict

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following diagrams correctly shows the magnetic field produced by a current- carrying wire?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A device used to measure the amount of electric current flowing through a circuit.

• Ammeter

• Voltmeter

• Resistor

• Battery