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Ohms Law Inquiry Lab

Total questions: 18

Worksheet time: 19mins

Name
Class
Date
1.

How many Volts would it take to push 1 Amp through a resistance of 5 Ohm?

a)

10 Volts

b)

1 Volt

c)

48 Volts

d)

5 Volts

2.

What size resistor would produce a 4 Amp current flow with a 12 Volt battery?

a)

1 Ohm

b)

3 Ohms

c)

4 Ohms

d)

12 Ohms

3.

If the battery produced 90 Volts and what would be the current flow be for a 6 Ohm resistor?

a)

2.1 Amps

b)

2.4 Amps

c)

1.71 Amps

d)

15 Amps

4.

How many Volts would we need to produce a current flow of 4 Amps through a 6 Ohm resistor?

a)

12 volts

b)

24 volts

c)

1.3333

d)

48 volts

5.

What size resistor would produce a current flow of 2.5 Amps with a battery voltage of 12.5 volts?

a)

62.5 Ohms

b)

2.5 Ohms

c)

1.7 ohms

d)

5.0 Ohms

6.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
7.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Dihexihedral
8.

What is the total resistance of this series circuit?

a)

300 Ohms

b)

450 Ohms

c)

50 Ohms

d)

100 Ohms

9.

What is the TOTAL current flowing through this series circuit? (Ohm's Law: I = V÷R)

a)

0.09 Amps

b)

0.02 Amps

c)

0.03 Amps

d)

0.18 Amps

10.

What is the current flowing through R1? (Ohm's Law: I = V÷R)

a)

0.1 Amps

b)

810 Amps

c)

10 Amps

11.

What is the current flowing through R2? (Ohm's Law: I = V÷R)

a)

0.2 Amps

b)

405 Amps

c)

5 Amps

12.

What is the current flowing through R3? (Ohm's Law: I = V÷R)

a)

0.05 Amps

b)

1,620 Amps

c)

20 Amps

13.

What is the TOTAL current flowing out of the battery? (Ohm's Law: I = V÷R)

a)

0.35 Amps

b)

0.029 Amps

c)

35 Amps

d)

2.9 Amps

14.

Which Resistor should have the most electrons flowing through it?

a)

R2

b)

R1

c)

R3

15.

Which Resistor should have the least electrons flowing through it?

a)

R2

b)

R1

c)

R3

16.

What is the name of this circuit element?

a)

PN junction

b)

LED

c)

silicon

d)

PNP

17.

The length of the legs of an LED matter because...

a)

the longer leg must be connected to the positive terminal in order for the light to work.

b)

the longer leg must be connected to the negative terminal in order for the light to work.

c)

actually they don't really matter, it's totally random.

18.

Why are LEDs being used so frequently? (Check all that apply)

a)

They are more efficient than traditional bulbs.

b)

They give off less heat.

c)

They last longer than traditional bulbs.

d)

They use less energy.