HARD
10th CBSE
IMPORTANT
Earn 100

For the circuit shown in the diagram given below:
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Calculate:
(i) the value of current through each resistor.
(ii) the total current in the circuit.
(iii) the total effective resistance of the circuit.

Important Questions on Electricity

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Long Answer Type Questions>Q 34
With the help of a circuit diagram, obtain the relation for the equivalent resistance of two resistances connected in parallel.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Long Answer Type Questions>Q 34
In the circuit diagram shown below, find:
(i) Total resistance.
(ii) Current shown by the ammeter A
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MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Long Answer Type Questions>Q 35
Explain with the help of a labelled circuit diagram, how you will find the resistance of a combination of three resistors of resistances R1,R2 and R3 joined in parallel.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Long Answer Type Questions>Q 35
In the diagram shown below, the cell and the ammeter both have negligible resistance. The resistors are identical.
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With the switch K open, the ammeter reads 0.6 A. What will be the ammeter reading when the switch is closed?
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Multiple Choice Questions (MCQs)>Q 36

The figure given below shows three resistors:
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Their combined resistance is

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10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Multiple Choice Questions (MCQs)>Q 37
If two resistors of 25 Ω and 15 Ω are joined together in series and then placed in parallel with a 40 Ω resistor, the effective resistance of the combination is:
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Multiple Choice Questions (MCQs)>Q 38
The diagram below shows part of a circuit:

If this arrangement of three resistors was to be replaced by a single resistor, its resistance should be:
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Multiple Choice Questions (MCQs)>Q 39
In the circuit shown below:
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The potential difference across the 3 Ω resistor is: