Current Electri...

On interchanging the resistances, the balance point of a meter bridge shifts to the left by $$10$$cm. The resistance of their series combination is $$1k\Omega$$. How much was the resistance on the left slot before interchanging the resistances?

In a Wheatstone's bridge, there resistances $$\mathrm{P},\ O$$ and $$\mathrm{R}$$ connected in the three arms and the fourth arm is formed by two resistances $$\mathrm{S}_{1}$$ and $$\mathrm{S}_{2}$$ connected in parallel. The condition for bridge to be balanced will be   

The potential difference $$(V_A-V_B)$$ between the points A and B in the given figure is.

A steady current flow in a metallic conductor of non-uniform cross-section. The quantity/quantities remaining constant along the whole length of the conductor is/are:

One Volt is equal to - 

Kirchoffs law of junctions is also called the law of conservation of:

In comparing e.m.f.s of 2 cells with the help of potentiometer, at the balance point, the current flowing through the wire is taken from:

The potential gradients on the potentiometer wire are$$V_{1}$$ and $$V_{2}$$ with an ideal cell and a real cell of same emf in the primary circuit then

A steady current is passing through a linear conductor of non uniform cross-section.  The net quantity of charge crossing any cross section per second is

Assertion(A) : The e.m.f of the cell in secondary circuit must be less than e.m.f of cell in primary circuit in potentiometer.
Reason (R): Balancing length cannot be more than length of potentiometer wire.