Twa kɔ nsɛm atitiriw so
Log in
Sign up for FREE
arrow_back
Laabri

Savvas 7th Grade Electricity Test

star
star
star
star
star
Last updated almost 3 years ago
28 Nsɛmmisa
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
2
1
1
1
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

The build-up of charges on an object is called

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

What happens when an object is rubbed against another object to charge by friction?

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

What causes charges to move in a circuit?

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

The ampere is a unit of

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

According to Ohm’s law, resistance is equal to voltage divided by

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

Materials through which charge can flow easily are called

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

An example of an insulator is

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Batteries and power plants are examples of

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

Which of the following does not determine the resistance of a wire?

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Lisa built an electric circuit. When she added a seond light bulb, the first bulb became dimmer. What type of circuit did Lisa build?

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

A complete, unbroken path through which electric charges can flow is a(n)

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

Your alarm clock has a voltage of 120 V and a resistance of 1200. What current does the alarm clock draw?

Asemmisa {{asɛmmisaAhyɛnsode}}
13.
Asemmisa {{asɛmmisaAhyɛnsode}}
14.
Asemmisa {{asɛmmisaAhyɛnsode}}
15.
Asemmisa {{asɛmmisaAhyɛnsode}}
16.
Asemmisa {{asɛmmisaAhyɛnsode}}
17.
Asemmisa {{asɛmmisaAhyɛnsode}}
18.
Asemmisa {{asɛmmisaAhyɛnsode}}
19.

As the temperature of most conductors increases, the resistance decreases.

Asemmisa {{asɛmmisaAhyɛnsode}}
20.

Electric charges that are different attract each other.

Asemmisa {{asɛmmisaAhyɛnsode}}
21.

The electrons in an insulator are tightly bound to their atoms.

Asemmisa {{asɛmmisaAhyɛnsode}}
22.

The unit of measure for voltage is the ohm.

Asemmisa {{asɛmmisaAhyɛnsode}}
23.

For a constant voltage, increasing the resistance will cause the current to decrease.

Asemmisa {{asɛmmisaAhyɛnsode}}
24.

What are the basic features of an electric circuit?

Asemmisa {{asɛmmisaAhyɛnsode}}
25.

How is current related to resistance?

Asemmisa {{asɛmmisaAhyɛnsode}}
26.

Explain why you may produce a static discharge if you touch a metal door knob after walking on a wool carpet.

Asemmisa {{asɛmmisaAhyɛnsode}}
27.

Which circuit illustration represents circuit B?

Asemmisa {{asɛmmisaAhyɛnsode}}
28.

Look at the diagram in question 27. Will removing bulb 1 in circuit B cause bulb 3 to go out? Explain.