BGE (11-14) Science: Electricity

Question 1

what causes hair to stand on end when touching a Van de Graaff?

Accepted Answer

Particles with the same charge repel each other.

Question 2

How confident are you in the electricity topic?

Accepted Answer

Very confident, Unsure about some things, So so, Very unsure

Question 3

What is the name given to an electrical component that puts information into a system?

Accepted Answer

Input

Question 4

What is current?

Accepted Answer

A measure of how much electrical charge flows in a circuit.

Question 5

What type of circuit is this?

Accepted Answer

Parallel circuit

Question 6

How does current change in a circuit as more cells are added?

Accepted Answer

Increases.

Question 7

What is the name of the particles that flow through a circuit?

Accepted Answer

Electrons

Question 8

What is the total current flowing in this circuit?

Accepted Answer

0.5 A

Question 9

What type of Logic gate inverts the input signal?

Accepted Answer

NOT

Question 10

What does a resistor do?

Accepted Answer

A device that restricts the electrical current in a circuit.

Question 11

What type of logic gate is represented by this symbol?

Accepted Answer

OR

Question 12

How do we make the bulb light up in this circuit?

Accepted Answer

Add a battery and close the switch.

Question 13

Which circuit component does this symbol represent?

Accepted Answer

Resistor

Question 14

How does the voltage across voltmeter 2 and 3 compare to the voltage supplied by the battery?

Accepted Answer

V1 = V2 = V3

Question 15

Which electrical component does this symbol represent?

Accepted Answer

Voltmeter

Question 16

What is current measured in?

Accepted Answer

Amps

Question 17

What is the voltage supplied by the battery in this circuit?

Accepted Answer

12 V

Question 18

What happens in a circuit when a fuse burns out?

Accepted Answer

A circuit with too much current, causing fuse to melt.

Question 19

Which of of the following combinations would have the highest resistance?

Accepted Answer

A long thin wire.

Question 20

What circuit component does this symbol represent?

Accepted Answer

Bulb

Questions 20