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(Unit #7) Delmar's Standard Textbook of Electricity: Quiz

Total questions: 15

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

The amount of current flowing through each resistor is directly proportional to its resistance.

a)

True

b)

False

2.

Circuits that have more than one path for current flow are?

a)

Combination Circuits

b)

Series Circuits

c)

Parallel Circuits

d)

I don't know...

3.

In a parallel circuit, the total current flow is equal to the (?) of the currents through all the branches.

a)

Difference

b)

Average

c)

Sum

d)

Quotient

4.

In a parallel circuit, the total resistance is (?) value resistor.

a)

Less than the lowest

b)

Equal to the largest

c)

Equal to the lowest

d)

Larger than the lowest

5.

The term “load” refers to the amount of (?) in a circuit branch.

a)

Voltage

b)

Current

c)

Resistance

d)

Wattage

6.

An increase in (?), not resistance, results in an increase of load.

a)

Wattage

b)

Power

c)

Current

d)

Voltage

7.

Imagine a water system with a holding tank, pump, and return lines. What would happen to the resistance to flow if a return path is added to the system?

a)

It stays the same.

b)

It increases.

c)

It lessens.

d)

I don't know...

8.

A method for finding total resistance of parallel resistors is?

a)

All of the above.

b)

Reciprocal Formula

c)

Resistors of equal value.

d)

Product over sum.

9.

A parallel circuit is composed of two 60 Ω resistors. What is the total resistance?

a)

1 Ω

b)

120 Ω

c)

30 Ω

d)

3,600 Ω

10.

A two-branch parallel circuit has a 30 Ω and a 15 Ω resistor. What is the total resistance?

a)

2 Ω

b)

10 Ω

c)

45 Ω

d)

15 Ω

11.

A three branch parallel circuit has resistors of 27 Ω, 56 Ω, and 15 Ω. What is the total resistance?

a)

9.64 Ω

b)

98 Ω

c)

8.23 Ω

d)

18.22 Ω

12.

A three-branch parallel circuit has a total resistance of 385.83 Ω. Two of the resistors are 680 Ω and 1500 Ω. What is the value of the third resistor?

a)

2,200 Ω

b)

246.16 Ω

c)

2,180 Ω

d)

467.89 Ω

13.

A parallel circuit composed of a 150 Ω and a 270 Ω resistor has a voltage of 120 V. What is the current in the 150 Ω resistor?

a)

0.29 A

b)

1 A

c)

0.44 A

d)

0.8 A

14.

A parallel circuit composed of a 10 Ω and a 22 Ω resistor. It has a voltage of 60 V. What is the current in the 10 Ω resistor?

a)

5 A

b)

6 A

c)

1.88 A

d)

2.73 A

15.

Parallel circuits are also referred to as?

a)

Current Multipliers

b)

Voltage Dividers

c)

Voltage Multipliers

d)

Current Dividers