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LDR stands for light dependent resistor.

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Important Questions on Functions

MEDIUM

Physics>System>Functions>Resistance

There are two resistors

R_{1}

and

R_{2} (R_{1} > R_{2})

and connected through a battery of emf

V

volt. Choose the correct option regarding the above statement.

MEDIUM

Physics>System>Functions>Resistance

A cylindrical conductor of length

l

and uniform area of cross-section

A

has resistance

R

. Another conductor of length

2 l

and resistance

R

of the same materials has an area of cross-section:

EASY

Physics>System>Functions>Resistance

On which of the following no 'plus' or minus' sign is marked?

EASY

Physics>System>Functions>Resistance

The proper representation of series combination of cells obtaining maximum potential is

Question Image

EASY

Physics>System>Functions>Resistance

Two resistors of resistance

2 Ω

and

4 Ω

when connected to a battery will have:

EASY

Physics>System>Functions>Resistance

Look at the figure below and pick the correct statement.

Question Image

MEDIUM

Physics>System>Functions>Resistance

The circuit diagram shows four identical resistors connected in series with a 12 V battery.

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What would be the readings on voltmeters V₁ and V₂?

EASY

Physics>System>Functions>Resistance

Three identical resistors are connected in parallel with a battery. If the current in each resistor is

2 A

that in the battery will be _____

A

EASY

Physics>System>Functions>Resistance

The resistivity does not change if:

EASY

Physics>System>Functions>Resistance

Consider the following statements:

A. In series connection, the same current flows through each element.

B. In parallel connection, the same potential difference gets applied across each element.

EASY

Physics>System>Functions>Resistance

What is the minimum resistance which can be made using five resistors each of

\frac{1}{5} Ω

EASY

Physics>System>Functions>Resistance

Two resistors of resistance

2 Ω

and

4 Ω

when connected to a battery will have

EASY

Physics>System>Functions>Resistance

Look at the figure below and pick the correct statement.

Question Image

MEDIUM

Physics>System>Functions>Resistance

Which two resistor combinations have the same effective resistance between X and Y?
Question Image

EASY

Physics>System>Functions>Resistance

A parallel combination of

50

resistor of

R Ω

each is connected in series with a battery. If the current drawn from the battery is

2.1 A

the current through each resistor will be _____.

EASY

Physics>System>Functions>Resistance

Electrical resistivity of a given metallic wire depends upon:

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Physics>System>Functions>Resistance

The resistance of a cylindrical piece of rubber is _____ than that of a similar piece of copper.
(lesser/greater)

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Physics>System>Functions>Resistance

Three resistors are connected in series with a cell. If the current In each resistor is

2 A

, then that in the cell will be _____(

2 A / 4 A / 1 A

)

EASY

Physics>System>Functions>Resistance

A battery connected to a resistance, supplies a current of

5 A

. If an equal resistance is connected in parallel with the first resistance, the current supplied by the battery will be

EASY

Physics>System>Functions>Resistance

What is the maximum resistance which can be made using five resistors each of

\frac{1}{5} Ω

LDR stands for light dependent resistor.

Important Questions on Functions

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