Electric Circuits Worksheet
A Grade 11 Science worksheet covering fundamental concepts of electric circuits, including series and parallel circuits, Ohm's Law, and basic circuit components.
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Standards
Topics
Electric Circuits: Grade 11 Physics
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Read each question carefully and provide your answer in the space provided. Show all your work for calculations.
1. Which of the following statements is true about a series circuit?
Current is divided among components.
Voltage is the same across all components.
Total resistance is the sum of individual resistances.
If one component fails, others continue to operate.
2. According to Ohm's Law, if the voltage across a resistor is doubled, what happens to the current, assuming resistance remains constant?
The current is halved.
The current remains the same.
The current is doubled.
The current is quadrupled.
3. The unit of electrical resistance is the .
4. In a parallel circuit, the total current is the of the currents through each branch.
5. Ammeters are connected in parallel to measure current.
True
False
6. Kirchhoff's Voltage Law states that the sum of all voltage drops around any closed loop in a circuit is equal to the total voltage supplied to that loop.
True
False
7. A series circuit has three resistors with resistances of 10 Ω, 20 Ω, and 30 Ω. If the voltage source is 120 V, calculate the total current flowing through the circuit.
8. Examine the diagram of the simple electric circuit below.
a) Identify the components labeled A, B, and C.
b) Briefly explain the function of component B in the circuit.
Match the term on the left with its definition on the right.
9. Voltage
a. Opposition to the flow of electric current.
10. Current
b. The rate of flow of electric charge.
11. Resistance
c. The electric potential difference between two points.
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