ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-4>Q 2

EASY

10th CBSE

IMPORTANT

Earn 100

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.

Important Questions on Electricity

HARD

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-4>Q 3

Two metallic wires

A

and

B

are connected in series. Wire

A

has length

l

and radius

r,

while wire

B

has length

2 l

and radius

2 r .

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

ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-4>Q 4

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

ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-4>Q 5

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

ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-4>Q 6

Resistors are given as $R_{1} = 10 Ω, R_{2} = 20 Ω$ and $R_{3} = 30 Ω .$ 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.

HARD

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 3 - Electricity>Assignment-4>Q 6

$3$ resistors $R_{1}, R_{2}$ and $R_{3}$ are connected in series to a battery $V .$ Draw the circuit diagram showing the arrangement. Derive an expression for the equivalent resistance of the combination.