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Worksheets

M3 Cat B

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

What charge does an electron carry?

a)

negative

b)

positive

c)

neutral

2.

What is a conductor?

a)

a molecular structure with less than four electrons in the outer or

valence orbit

b)

a molecular structure where several atoms share the electrons on the outer layer

c)

a molecular structure where electrons are tightly connected to the atoms/molecules

3.

What is a semiconductor?

a)

a molecular structure with less than four electrons in the outer or

valence orbit

b)

a molecular structure where several atoms share the electrons on the outer layer

c)

a molecular structure where electrons are tightly connected to the atoms/molecules

4.

What is the unit of charge?

a)

coulomb (C)

b)

Ampere (A)

c)

Charge (Q)

5.

What is the definition of an amp?

a)

one coulomb of electrical charge moving past a specific point in one second.

b)

one charged electron moving past a specific point in one second.

c)

the force required to move one electron from a high potential to a lower potential

6.

What is electromotive force?

a)

the difference in energy between electrical charges or potentials

b)

the resistive force between two points in a conductor

c)

the force required to prevent the collapse of a magnetic field

7.

What is the unit of electromotive force?

a)

Volts (V)

b)

Amperes (A)

c)

Ohms (Ω)\left(\Omega\right)

8.

How is a voltmeter connected to a circuit?

a)

in parallel with the component

b)

in series with the component

c)

you must remove the component from the circuit to measure voltage

9.

What is the meaning of mV?

a)

milli Volts

b)

micro Volts

c)

macro Volts

10.

What is the meaning of MV?

a)

Mega Volts

b)

Milli Volts

c)

Macro Volts

11.

What does the symbol, I represent?

a)

Current

b)

Inductance

c)

Intensity of Charge

12.
What is Resistance?
a)

the opposition of an electric current, causing energy dissipation

b)

How hard the energy is pushed

c)

The amount of charges that pass by a given point per second

13.

What is the unit of measurement for resistance?

a)

Voltage (V)

b)

Ampere (A)

c)

Ohms (Ω)\left(\Omega\right)

14.

What is Ohm's law?

a)

Current is directly proportional to Voltage and indirectly proportional to Resistance in a circuit at a constant temperature

b)

Current is indirectly proportional to Voltage and directly proportional to Resistance in a circuit at a constant temperature

c)

Current is directly proportional to Voltage and directly proportional to Resistance in a circuit at a constant temperature

15.

What is a photocell?

a)

a light-to-electrical transducer

b)

a sound-to-electrical transducer

c)

a pressure-to-electrical transducer

16.

What is the typical voltage and power output of a photocell?

a)

0.6V & 10mW

b)

6V & 0.1W

c)

6mV & 1mW

17.

What kind of electricity is generated by friction?

a)

Static

b)

Alternating

c)

Direct