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Current Calculations

Total questions: 17

Worksheet time: 11mins

Name
Class
Date
1.
current is measured in....
a)
volts
b)
amps
c)
watts
d)
mph
2.
Current is...
a)
moving protons
b)
moving electrons
c)
measured in volts
d)
measured in ohms
3.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
4.

A current of 0.5 A flows in a circuit. Calculate the charge flowing through the circuit in one minute.

a)

0.5 C

b)

30 C

c)

120 C

5.
What is the unit for Current
a)
C
b)
Q
c)
I
d)
A
6.
What is the symbol for Current
a)
C
b)
Q
c)
I
d)
A
7.
What is the unit for Charge
a)
C
b)
Q
c)
I
d)
A
8.
What is the symbol for Charge
a)
C
b)
Q
c)
I
d)
A
9.
What is a formula to calculate Charge
a)
Q=I*t
b)
Q=I/t
c)
Q = V*E
d)
Q = V/E
10.
What is a formula to calculate Current
a)
I=Q/t
b)
I=Q*t
c)
I =V*R
d)
I = R/V
11.
How much charge must pass by a point in 10 s for the current to be  0.50 A? 
a)
0,05C
b)
5,0C
c)
20C
d)
2,0C
12.

Which equation links current, charge flow, and time?

a)

Current = Time / Charge flow

b)

Charge flow = current x time

c)

Current = charge flow x time

d)

Time = charge flow x current

13.

The current in a wire is 1.2kA. What is the current in Amps?

a)

120A

b)

12A

c)

0.12A

d)

1200A

14.

How much charge flows through a wire in 80s if the current is a constant 5.4A?

a)

432C

b)

360C

c)

524C

d)

344C

15.

A 3A current flows through a television. How long would it take for 1500C to flow through it?

a)

4500s

b)

500s

c)

50s

d)

450s

16.

Quantity of charge can be measured in

a)

time (s)

b)

Ampere (A)

c)

coulombs (C)

d)

Joule (J)

17.

Calculate the quantity of charge, Q, obtained when a current of 25 amps runs for 1 minute

a)

Q = 1,800 C

b)

Q = 1,500 C

c)

Q = 1000 C

d)

Q = 3000 C