Worksheetsunit 107 electrical science ohms law
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
What is the unit of electrical charge?
a)
Volt
b)
Coulomb
c)
Ampere
d)
Ohm
2.
If a current of 2A flows for 3 seconds, what is the electrical charge transferred?
a)
6 Coulombs
b)
5 Coulombs
c)
4 Coulombs
d)
3 Coulombs
3.
What is the formula for Ohm's Law?
a)
V = IR
b)
P = IV
c)
Q = It
d)
E = mc^2
4.
If a resistor has a resistance of 5 ohms and a current of 2A flows through it, what is the voltage across the resistor?
a)
5V
b)
8V
c)
10V
d)
12V
5.
How much charge is transferred when a current of 0.5A flows for 10 seconds?
a)
2 Coulombs
b)
5 Coulombs
c)
10 Coulombs
d)
15 Coulombs
6.
In a circuit with a voltage of 12V and a resistance of 3 ohms, what is the current flowing through the circuit?
a)
2A
b)
3A
c)
4A
d)
5A
7.
What is the resistance of a component if a current of 3A flows through it with a voltage of 15V?
a)
3 ohms
b)
4 ohms
c)
5 ohms
d)
6 ohms
8.
If 20 Coulombs of charge pass through a conductor in 4 seconds, what is the current?
a)
4A
b)
5A
c)
6A
d)
8A
9.
How much charge is transferred when a steady current of 1.5A flows for 20 seconds?
a)
10 Coulombs
b)
20 Coulombs
c)
25 Coulombs
d)
30 Coulombs
10.
What is the voltage across a 10-ohm resistor when a current of 1A flows through it?
a)
5V
b)
10V
c)
15V
d)
20V
11.
If a current of 0.2A flows through a resistor and the voltage across the resistor is 5V, what is the resistance of the resistor?
a)
10 ohms
b)
20 ohms
c)
25 ohms
d)
30 ohms
12.
What is the formula to calculate charge (Q)?
a)
Q = IV
b)
Q = It
c)
Q = IR
d)
Q = Vt
13.
A 6-ohm resistor has a voltage drop of 18V across it. What is the current flowing through it?
a)
1A
b)
2A
c)
3A
d)
4A
14.
How much charge flows through a circuit with a current of 0.5A in 8 seconds?
a)
2 Coulombs
b)
4 Coulombs
c)
6 Coulombs
d)
8 Coulombs
15.
If a resistor has a resistance of 8 ohms and the current through it is 2A, what is the voltage across the resistor?
a)
12V
b)
14V
c)
16V
d)
18V
100 %
