Physics-
General
Easy
Question
A group of N cells where e.m.f varies directly with the internal resistance as per the equation EN = 1.5 rN are connected as shown in the figure The current I in the circuit is:
- 0.51 A
- 5.1 A
- 0.15 A
- 1.5 A
The correct answer is: 5.1 A
Related Questions to study
physics-
ABCD is a square where each side is a uniform wire of resistance 1 
A point E lies on CD such that if a uniform wire of resistance 1 is connected across AE and constant potential difference is applied across A and C, then B and E are equipotential
ABCD is a square where each side is a uniform wire of resistance 1 A point E lies on CD such that if a uniform wire of resistance 1 is connected across AE and constant potential difference is applied across A and C, then B and E are equipotential
physics-General
physics-
The resistance of a semicircle shown in fig between its two end faces is (Given that radial thickness = 3 cm, axial thickness = 4 cm, inner radius = 6 cm and resistivity 
The resistance of a semicircle shown in fig between its two end faces is (Given that radial thickness = 3 cm, axial thickness = 4 cm, inner radius = 6 cm and resistivity
physics-General
physics-
The potential difference between the points A and B is
The potential difference between the points A and B is
physics-General
physics-
Find the equivalent resistance across AB:
Find the equivalent resistance across AB:
physics-General
physics-
Shown in the figure below is a meter-bridge set up with null deflection in the galvanometer
The vlaue of the unknown resistor R is
Shown in the figure below is a meter-bridge set up with null deflection in the galvanometer
The vlaue of the unknown resistor R is
physics-General
physics-
A 5V battery with internal resistance 2 and a 2V battery with internal resistance 1 are connected to a 10 resistor as shown in the figure
The current in the 10 resistor is
A 5V battery with internal resistance 2 and a 2V battery with internal resistance 1 are connected to a 10 resistor as shown in the figure
The current in the 10 resistor is
physics-General
physics-
In the given circuit which is a part of a closed cirucit the current i1, i2 are respectively
In the given circuit which is a part of a closed cirucit the current i1, i2 are respectively
physics-General
physics-
The current i drawn from the 5volt source will be
The current i drawn from the 5volt source will be
physics-General
physics-
The e m f of a cell E is 15 V as shown in the figure with an internal resistance of 0.5 Then the value of the current drawn from the cell is
The e m f of a cell E is 15 V as shown in the figure with an internal resistance of 0.5 Then the value of the current drawn from the cell is
physics-General
physics-
For a cell the graph between the p.d(v) across the terminals of the cells and the current (I) drawn from the cell as shown The e m f and inernal resistance is
For a cell the graph between the p.d(v) across the terminals of the cells and the current (I) drawn from the cell as shown The e m f and inernal resistance is
physics-General
physics-
Voltmeter reading in the given circuit is (voltmeter is ideal)
Voltmeter reading in the given circuit is (voltmeter is ideal)
physics-General
physics-
If in the circuit shown below, the internal resistance of the battery is 1 and Vp and VQ are the potentials at P and Q respectively, the potential difference between the points P and Q is
If in the circuit shown below, the internal resistance of the battery is 1 and Vp and VQ are the potentials at P and Q respectively, the potential difference between the points P and Q is
physics-General
physics-
Two cells of emf 4V and 8V are connected to two resister 4 and 6 as shown If 8V cell is short circuited Then current through resistance 4 and 6
Two cells of emf 4V and 8V are connected to two resister 4 and 6 as shown If 8V cell is short circuited Then current through resistance 4 and 6
physics-General
chemistry-
The isomer 
can be marked as-
The isomer can be marked as-
chemistry-General
chemistry-
The complexes given below are -
The complexes given below are -
chemistry-General
