HARD
10th CBSE
IMPORTANT
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What would be reading of ammeter and voltmeter in the given circuit?

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Important Questions on Electricity

HARD
10th CBSE
IMPORTANT

(i) Draw a schematic diagram of a circuit consisting of a 24 V battery, a 10 ohm resistor, a 5 ohm resistor, a 1 ohm resistor, an ammeter and a plug key, all connected in series.

(ii) Calculate the ammeter reading in this circuit.

HARD
10th CBSE
IMPORTANT
A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω, 1.5 Ω and  12 Ω resistors. How much current would flow through the 12 Ω resistor?
EASY
10th CBSE
IMPORTANT
n resistors each of resistance R are connected in series in a circuit. What is the total effective resistance of the circuit?
EASY
10th CBSE
IMPORTANT
Draw a schematic diagram of a circuit consisting of battery of two cells each of 1.5 V, 5 Ω resistor, 10 Ω resistor and 15 Ω resistor and a plug key, all connected in series.
HARD
10th CBSE
IMPORTANT
Two metallic wires A and B are connected in series. Wire A has length l and radius r, while wire B has length 2l and radius 2r. Find the ratio of the total resistance of series combination and the resistance of wire A, if both the wires are of same material.
HARD
10th CBSE
IMPORTANT
Draw a schematic diagram of a circuit consisting of 24 V battery, a 10 ohm resistor, a 5 ohm resistor, a 1 ohm resistor, an ammeter and a plug key, all connected in series. Calculate the ammeter reading in this circuit.
HARD
10th CBSE
IMPORTANT
How will you infer with the help of an experiment that same current flows through every part of the circuit containing three resistances in series connected to a battery?
MEDIUM
10th CBSE
IMPORTANT

Resistors are given as R1=10 Ω, R2=20 Ω and R3=30 Ω. Calculate the effective resistance when they are connected in series. Also, calculate the current flowing when the combination is connected to a 6 V battery.