Home
Class 12
PHYSICS
The given potentiometer has its wire of ...

The given potentiometer has its wire of resistance `10 Omega` When the sliding contact is in the middle of the potentiometer wire, the potential drop across `2 Omega` resistor is :

A

`10 V`

B

`5 V`

C

`(40)/(9) V`

D

`(40)/(11)V`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS (SECTION-B)|40 Videos

  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS (SECTION - A) |40 Videos

  • JEE MAINS 2020

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS|246 Videos

  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS (SECTION -B)|10 Videos

Similar Questions

Explore conceptually related problems

The potential drop across the 3 Omega resistor is

A potentiometer consists of a wire of length 4 m and resistance 10Omega . It is connected to a cell of emf 2V.The potential gradient of the wire is

The emf of the driver cell of a potentiometer is 2 V , and its internal resistance is negligible. The length of the potentiometer wire is 100 cm , and resistance is 5 omega . How much resistance is to be connected in series with the potentiometer wire to have a potential gradient of 0.05 m V cm^(-1) ?

In the given figure, battery E is balanced on 55 cm length of potentiometer wire but when a resistance of 10Omega is connected in parallel with the battery then it balances on 50 cm length of the potentiometer wire then internal resistance r of the battery is

In fig. battery E is balanced on 55cm length of potentiometer wire but when a resistance of 10Omega is connected in parallel with the battery then it balances on 50cm length of the potentiometer wire then internal resistance r of the battery is:-

A cell of e.m.f 1.5V and negligible internal resistance is connected in series with a potential meter of length 10 m and total resistance 20 Omega . What resistance should be introduced in the resistance box such that the potential drop across the potentiometer is one microvolt per cm of the wire?

A potentiometer consists of a wire of length 4 m and resistance 10 Omega . If is connected of cell of emf 2V . The potential difference per unit length of the wire will be

An accumulator of 4 V is connected through a resistance of 30Omega to a potentiometer wire 10 m long and resistance 30Omega . When a cell is connected through a galvanometer to the potentiometer the null point is found at 5.5 m from the common terminal. The potential gradient in the wire is