WorksheetsElectricity
Total questions: 7
Worksheet time: 7mins
Name
Class
Date
1.
The flow/movement of electric charges
a)
Voltage
b)
Resistance
c)
Current
d)
Circuit
2.
Which of the following is the SI unit for electric current?
a)
Ohm
b)
Watt
c)
Ampere
d)
Volt
3.
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
4.
A large lightning bolt can carry up to 120000 mA and 350 C. Calculate the time for which the current flows.
a)
2.92 min
b)
0.0092 s
c)
2.92 S
d)
2.92×10−3 s
5.
Select the unit for current
a)
C/s
b)
Cs
c)
A/s
6.
There is a current of 3.0A in a resistor for time t. During time t, a charge of 120nC flows through the resistor.
What is time t ?
a)
0.025 minutes
b)
0.025 s
c)
40 minutes
d)
40 x10-9 s
7.
Define 1A
4 lines
100 %
