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Extr131 week 2 Activity

Total questions: 42

Worksheet time: 28mins

Name
Class
Date
1.

What unit is used to measure current?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

2.

What unit is used to measure resistance?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

3.

What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?

a)

1/3 ohms

b)

3 ohms

c)

27 ohms

d)

9 ohms

4.

What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?

a)

12 V

b)

21 V

c)

4/3 V

d)

3/4 V

5.

What is the formula for ohms law?

a)

1+2=3

b)

R X E = I

c)

V =I x R

d)

E= MC squared

6.

Solve for the total resistance of the circuit shown

a)

50 V

b)

1970 ohms

c)

705 K ohms

d)

20 Amps

7.

Solve for total Current in the circuit shown

a)

25 Amps

b)

35 amps

c)

25 milliamps

d)

35 milliamps

8.

Solve for the current flowing through Resistor # 1

a)

35 amps

b)

25 amps

c)

35 milliamps

d)

25 milliamps

9.

Solve for the voltage drop at resistor 1

a)

38 volts

b)

60 Kvolts

c)

50 volts

d)

25 volts

10.

With three 10 resistors connected in series with a 30 volt power supply, the total circuit current will equal ____.

a)

300 amps

b)

1 amp

c)

150 amps

d)

1 millamp

11.

Using the circuit shown solve for total power dissipated in this circuit.

a)

20 watts

b)

30 watts

c)

1.8 Kilowatts

d)

180 watts

12.

Based on the picture, which of the following is TRUE?

a)

The picture shows a parallel circuit

b)

No current would flow due to having an open switch

c)

There is ONE battery that pushes current counterclockwise

d)

There are TWO resistors that are using the electric current

13.

There are TWO 1.5V batteries pictured. What is the Voltage supplied to each of the three branches?

a)

6 volts

b)

4.5 volts

c)

3 volts

d)

1.5 volts

e)

1 volt

14.

solve for the voltage drop across R2

a)

15 v

b)

50 v

c)

25 v

d)

33 v

15.

In a parallel circuit if one of the light bulbs burns out the rest _________.

a)

stop the flow of electricity

b)

will go out

c)

can still light up

d)

of the light bulbs burn out also

16.

This is an example of a _______ circuit

a)

open

b)

series

c)

parallel

d)

switch

17.

A series circuit has ____ path(s) that the electric current can take.

a)

One

b)

Two

c)

Three

d)

Four

18.

When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.

a)

parallel

b)

series

c)

open

d)

closed

19.

Find the resistance of the following resistors connecting in parallel circuit.

a)

84

b)

85

c)

86

d)

87

20.
a)

15 ohms

b)

16 ohms

c)

17 ohms

d)

18 ohms

21.

What is the equivalent resistance of the resistors in the figure shown above?

a)

7.5

b)

10

c)

16

d)

18

22.

What is the equivalent resistance for the resistors in the figure shown above?

a)

25 Ω\Omega

b)

7.5 Ω\Omega

c)

10 Ω\Omega

d)

5.0 Ω\Omega

23.

What is the equivalent resistance for the resistors in the figure shown above?

a)

1.3 Ω1.3\ \Omega

b)

2.2 Ω2.2\ \Omega

c)

3.0 Ω3.0\ \Omega

d)

12.0 Ω12.0\ \Omega

24.
This picture is an example of what kind of circuit?
a)
Series
b)
Complete
c)
Broken
d)
Parallel
25.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
26.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
27.
In a parallel circuit if one of the light bulbs burns out the rest _________.
a)
stop the flow of electricity
b)
 can still light up
c)
 will go out
d)
of the light bulbs burn out also
28.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
29.

What is the name of part "A"?

a)

range selector knob

b)

test probes

c)

mirror

d)

infinite adjusting screw

30.

What is the name of part "B"?

a)

pointer

b)

stand

c)

range selector knob

d)

infinite adjusting screw

31.

What is the name of part "C"?

a)

pointer

b)

mirror

c)

test probes

d)

scale

32.

What is the name of part "D"?

a)

zero ohm adjusting knob

b)

range selector knob

c)

scale

d)

mirror

33.

What is the name of part "E"?

a)

scale

b)

infinite adjusting screw

c)

test probes

d)

mirror

34.

What is the name of part "F"?

a)

range selector knob

b)

infinite adjusting screw

c)

test probes

d)

zero ohm adjusting knob

35.

What is the name of part "G"?

a)

handle

b)

guard

c)

stand

d)

test probes

36.

What is the name of part "H"?

a)

test pin

b)

test probes

c)

tester

d)

test kit

37.

What is the use of this tool?

a)

Use to test voltage

b)

Use to test curent

c)

Use to test resistance

d)

Use to test voltage, current and resistance, too.

38.

What is the resistance reading if the pointer deflection

Range setting is X1?

(a)  

39.

What is the resistance reading if the pointer deflection

Range setting is X10?

(a)  

40.

Q3: What is the voltage reading if the pointer deflection

Range setting is 10V?

(a)  

41.

Q4: What is the voltage reading if the pointer deflection

Range setting is 50V?

(a)  

42.

Q5: What is the voltage reading if the pointer deflection

Range setting is 250V?

(a)  

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