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Resistors and resistance

Total questions: 15

Worksheet time: 14mins

Name
Class
Date
1.

What units do we work with when it comes to resistance?

a)

amps

b)

light years

c)

volts

d)

ohms

2.

Ohm's Law states that

a)

c2 = a2 + b2

b)

E = mc2

c)

voltage = current x resistance

d)

y = mx + b

3.

A resistor has a brown multiplier band. This means we multiply by

a)

1

b)

51

c)

15

d)

101

4.

A resistor has a third digit if and only if:

a)

its resistance is in the trillions

b)

it is a 4 band

c)

it is a 5 or 6 banded resistor

d)

None of the above

5.

What are the first and second digits of this resistor?

a)

0.05 and 0

b)

2 and 3

c)

1 and 2

d)

2 and 4

6.

What is the resistance of this resistor?

a)

40 ohms

b)

47 ohms

c)

4 ohms

d)

74 ohms

7.

A resistor has the color code of RED-ORANGE-GREEN-BLACK-SILVER. What is the resistance of the resistor?

a)

2350 ohms

b)

23500 ohms

c)

23.5 ohms

d)

235 ohms

8.

A resistor has a resistance of 175 ohms. If it has a silver band, then what is the tolerance range of this component?

a)

175 ohms - 176 ohms

b)

157.5 ohms - 192.5 ohms

c)

164.3 ohms - 176.2 ohms

d)

173.9 ohms - 181.4 ohms

9.

When a resistor has a resistance of 9.5K ohms, this means the resistance is really:

a)

9.5 ohms

b)

.95 ohms

c)

950 ohms

d)

9,500 ohms

10.

What is the tolerance range?

a)

62.9K - 65.3K

b)

61.6K - 71.4K

c)

65.0K - 68.1K

d)

None of the above

11.

What is the resistance?

a)

65K ohms

b)

68K ohms

c)

71K ohms

d)

78K ohms

12.

What is the resistance?

a)

24K

b)

18K

c)

38K

d)

8K

13.

The K stands for

a)

hundred

b)

thousand

c)

millions

d)

millis

14.

The M stands for

a)

millis

b)

thousands

c)

hundreds

d)

millions

15.

A resistor's multiplier always deals with

a)

powers of 5

b)

powers of 2

c)

powers of 10

d)

powers of 20