Understanding Electricity Concepts
Authored by Mahboob Ul Haque (Asst. Prof.)
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10th Grade
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Ohm's Law?
Ohm's Law states that R = V / I.
Ohm's Law is I = V + R.
Ohm's Law defines power as P = I / R.
Ohm's Law is V = I * R.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
State the formula for Ohm's Law.
I = V + R
V = I * R
R = V - I
V = R / I
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the voltage is 12V and the resistance is 4Ω, what is the current?
2A
4A
6A
3A
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an electric circuit?
A device that converts electrical energy into light.
An electric circuit is a closed loop that allows electric current to flow.
A series of batteries connected in parallel.
A method of storing electric charge in a capacitor.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name the two main types of electric circuits.
Single and Double
Direct and Alternating
Series and Parallel
Open and Closed
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a series circuit, how is the total resistance calculated?
R_total = R1 * R2 * R3 * ... * Rn
R_total = R1 - R2 - R3 - ... - Rn
R_total = 1/(1/R1 + 1/R2 + 1/R3 + ... + 1/Rn)
R_total = R1 + R2 + R3 + ... + Rn
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the total current in a series circuit when more resistors are added?
The total current decreases.
The total current increases.
The total current remains the same.
The total current fluctuates randomly.
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