Home
Class 12
PHYSICS
[" (a) "15V" (b) "10V" (c) "((c)5f)/(" c...

[" (a) "15V" (b) "10V" (c) "((c)5f)/(" cesistance "30Omega)" is "],[" 36.A potented in series with a battery of emf "2.5V" and internal "],[" resistance "5Omega" and an external resistance "R." If the fall of "],[" potential along the potentiometer wire is "50 mu V/mm," the value "],[" of "R" is "(in Omega)],[[" (a) "115," (b) "80," (c) "50," (d) "100]]

Promotional Banner

Similar Questions

Explore conceptually related problems

A potentiometer wire of length 10m and resistance 30 ohm is connected in series with a battery of emf 2.5V, internal resistance 5 ohm and external resistance R. If the fall of potential along the potentiometer wire is 50mV/m, the value of R is ohms is

A potentiometer wire of length 10m and resistance 30 ohm is connected in series with a battery of emf 2.5V, internal resistance 5 ohm and external resistance R. If the fall of potential along the potentiometer wire is 50mV/m, the value of R is ohms is

A potentiometer wire of length 10 m and resistance 30 Omega is connected in series with a battery of emf 2.5 V , internal resistance 5 Omega and an external resistance R . If the fall of potential along the potentiometer wire is 50 mu V mm^(-1) , then the value of R is found to be 23 n Omega . What is n ?

A potentiometer wire of length 10 m and resistance 30 Omega is connected in series with a battery of emf 2.5 V , internal resistance 5 Omega and an external resistance R . If the fall of potential along the potentiometer wire is 50 mu V mm^(-1) , then the value of R is found to be 23 n Omega . What is n ?

A potentiometer wire has a resistance of 20 Omega and length 10 m. It is connected in series with a battery of emf 2.5 V and negligible internal resistance, and an external resistance of 5 Omega . Fall of potential in mV per metre is

24 cells, each of emf 1.5V and internal resistance is 2Omega connected to 12Omega series external resistance. Then,

24 cells, each of emf 1.5V and internal resistance is 2Omega connected to 12Omega series external resistance. Then,

A 10 m long wire of resistance 20 Omega is connected in series with a battery of e.m.f. 3V (negligible iuternal resistance) and a resistance of 10 Omega . Find the potential gradient along the wire.

A battery of emf 2V and internal resistance 0.5(Omega) is connected across a resistance 1.5(Ω). Find the current flow through battery ?