GRADE 10 SCIENCE WORKSHEET ON ELECTRIC CIRCUITS
Grade 10 Tutorial on Current Electricity
In the accompanying circuit diagram, each cell has an emf of 3 V and no internal resistance.
1. What is the reading on V1?
2. Calculate the total resistance of the circuit.
3. Calculate the reading on A1.
4. Calculate the reading on V2.
5. What is the potential difference across the parallel-connected resistors?
6. Calculate the reading on A2.
7. Find the charge that flows through A1 in 6 minutes.
8. How much heat (energy) is generated in the 2,67 resistor in 3 minutes?
GRADE 10 SCIENCE WORKSHEET ON ELECTRIC CIRCUITS
1. In the following circuit, the 20 V battery has negligible internal resistance:
Find:
1. the reading on ammeter A1;
2. the reading on ammeter A2;
3. the resistance of resistor R.
2. Consider the following circuit, in which the battery has zero internal resistance:
The p.d. across resistor R is 4 V, and the power dissipated in R is 2 W.
2.1 Calculate the resistance of R.
2. What is the p.d. across the 6 ( resistor?
3. Find the current through the 6 ( resistor.
4. Calculate the effective resistance of the parallel connection of resistors.
5. Find the current through the 16 ( resistor.
6. Calculate the voltage of the battery.
-----------------------
20 V
V
R
A1
A2
5 (
3 (
2 (
6 (
10 V
16 (
4 V
V
R (2 W)
4 (
6 (
V1
A1
V2
A2
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6 Ω
4 Ω
3 Ω
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