WorksheetsUnderstanding Basic Circuit Concepts
Total questions: 25
Worksheet time: 14mins
A circuit consists of a 12 V battery and three resistors with resistances of 2 Ω, 3 Ω, and 5 Ω connected in series. What is the total current flowing through the circuit?
0.5 A
1 A
2 A
3 A
In a parallel circuit, there are three resistors with resistances of 4 Ω, 6 Ω, and 12 Ω. Calculate the total resistance of the circuit.
2 Ω
3 Ω
4 Ω
5 Ω
A 60 W light bulb is connected to a 120 V power source. What is the current flowing through the bulb?
0.25 A
0.5 A
1 A
2 A
A circuit has a total resistance of 10 Ω and a current of 2 A. What is the voltage across the circuit?
5 V
10 V
20 V
40 V
In a series circuit with a 9 V battery, there are two resistors of 3 Ω and 6 Ω. What is the voltage drop across the 6 Ω resistor?
3 V
4.5 V
6 V
9 V
A circuit consists of a 24 V battery and two resistors of 4 Ω and 8 Ω connected in parallel. What is the total current supplied by the battery?
2 A
3 A
4 A
6 A
A 100 W appliance is connected to a 200 V power source. Calculate the resistance of the appliance.
100 Ω
200 Ω
400 Ω
800 Ω
In a parallel circuit, a 10 Ω resistor and a 20 Ω resistor are connected to a 30 V battery. What is the power dissipated by the 10 Ω resistor?
30 W
60 W
90 W
120 W
A circuit has a 15 V battery and three resistors of 5 Ω each connected in series. What is the power consumed by the circuit?
5 W
10 W
15 W
20 W
A 50 W device operates on a 10 V power supply. What is the current flowing through the device?
2 A
4 A
5 A
10 A
In a series circuit, a 12 V battery is connected to two resistors of 2 Ω and 4 Ω. What is the power dissipated by the 4 Ω resistor?
4 W
8 W
12 W
16 W
A circuit consists of a 9 V battery and two resistors of 3 Ω and 6 Ω connected in parallel. What is the total power consumed by the circuit?
9 W
12 W
18 W
27 W
A 75 W bulb is connected to a 150 V power source. Calculate the resistance of the bulb.
150 Ω
200 Ω
300 Ω
400 Ω
In a parallel circuit, a 5 Ω resistor and a 10 Ω resistor are connected to a 20 V battery. What is the total current flowing through the circuit?
2 A
3 A
4 A
5 A
A circuit has a 30 V battery and three resistors of 10 Ω each connected in series. What is the voltage drop across each resistor?
5 V
10 V
15 V
20 V
Calculate the voltage (V):
(a)
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
3 Amps
192 Amps
2 Amps
4 Amps
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
2.5 V
25 V
10 V
.4 V
If you increase the size of the resistor and keep the voltage the same, what will happen to the current?
Current will increase
Current will decrease
Current will stay the same
A resistor with 10 Ω has 2 amps flowing through it. How many volts of potential difference?
20 V
5 V
0.2 V
10 V
What is the power consumed by a device with a current of 2 A and a voltage of 10 V?
5 W
10 W
20 W
40 W
What is the unit of electrical resistance?
Ampere
Volt
Ohm
Watt
In a series circuit, if the current is 2 A and the total resistance is 5 Ω, what is the voltage across the circuit?
10 V
5 V
2 V
1 V
What happens to the total current in a parallel circuit when more branches are added?
It increases
It decreases
It remains the same
It becomes zero
According to Ohm's Law, what is the formula to calculate voltage?
V=I×R
V=RI
V=R−I
V=I+R
