Equivalent Resistance Worksheet
A Grade 7 science worksheet covering concepts of equivalent resistance in series and parallel circuits.
Includes
Standards
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Equivalent Resistance Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems.
1. What is the equivalent resistance of two 10-ohm resistors connected in series?
5 ohms
10 ohms
20 ohms
100 ohms
2. In a parallel circuit, if one resistor breaks, what happens to the current in the other resistors?
It stops completely.
It increases.
It decreases.
It remains the same.
1. Adding more resistors in series decreases the total equivalent resistance of the circuit.
True
False
2. In a parallel circuit, the voltage across each resistor is the same.
True
False
1. The total resistance in a series circuit is the of individual resistances.
2. When resistors are connected in , the current has multiple paths to flow through.
1. Explain the main difference between a series circuit and a parallel circuit in terms of current flow.
Consider the circuit diagram below:
If R1 = 5 ohms, R2 = 10 ohms, and R3 = 15 ohms, and they are all connected in series, calculate the total equivalent resistance of the circuit.