Bju Science Electricity Magnetism

What type of energy is stored in an object due to its high position?

• Gravitational potential energy
• Elastic potential energy
• Kinetic energy
• Electrical energy

Tags

NGSS.MS-PS3-2

What type of energy is stored in an object that is compressed, stretched or bent?

• Gravitational potential energy
• Elastic potential energy
• Kinetic energy
• Electrical energy

What is produced on a balloon after it is rubbed with a woolen cloth?

• Electrostatic charges
• Electric current
• Voltage
• Resistance

Tags

NGSS.MS-PS2-3

What happens to a plastic ruler after it is rubbed with a woollen cloth?

• Transfer of electrons
• Transfer of protons
• Transfer of neutrons
• Chemical reaction

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What instrument can be used to detect electrostatic charges?

• Electroscope
• Telescope
• Microscope
• Periscope

Which of the following statements about charges is TRUE?

• Same charges repel while opposite charges attract
• Same charges repel and opposite charges also repel
• Same charges attract and opposite charges also attract
• Same charges attract while opposite charges repel

Tags

NGSS.MS-PS2-3

What is the result of the force of attraction that exists between the positive charges on the ground and the negative charges in the clouds?

• Lightning
• Thunder
• Whirlpool
• Cyclone

What can be used to produce electric charges at high voltages?

• Van de Graaff generator
• Resistor
• Ammeter
• Voltmeter

What type of charges are usually produced on the dome of the Van de Graaff generator?

• Positive
• Negative
• Neutral
• It's impossible to detect

What is an ammeter used to measure?

• Electric current
• Voltage
• Resistance
• Magnetism