﻿ ISC Class 12 Physics Solved Question Paper 2015 | Previous Year Papers | Zigya

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## ISC Class 12 Physics Solved Question Paper 2015

#### Multiple Choice Questions

1.

A short electric dipole (consists of two point charges +q and -q) is placed at the centre O and inside a large cube (ABCDEFGH) of length L, as shown in the figure below. The electric flux, remaining through the cube is:

• Zero

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2.

The equivalent resistance between points a and f of the network as shown in the figure below is:

• 24 ohm

• 110 ohm

• 140 ohm

• 140 ohm

573 Views

3.

A moving electron enters a uniform and perpendicular magnetic field. Inside the magnetic field, the electrons travels along,

• a straight line

• a parabola

• a circle

• a circle

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4.

A fish which is at a depth of 12 cm in water () is viewed by an observer on the bank of a lake. It's apparent depth as observed by the observer is:

• 3 cm

• 9 cm

• 12 cm

• 12 cm

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5.

If EP and EK represent potential energy and kinetic energy respectively, of an orbital electron, then according to the Bohr's theory:

• Ek = -EP/2

• Ek = -EP

• Ek = -2EP

• Ek = -2EP

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6.

What is meant by the term Quantization of Charge?

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7.

A resistor R is connected to a cell of emf e and internal resistance r. Potential difference across the resistor R is found to be V. State the relation between e, V, R and r.

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8.

Three identical cells of emf 2V internal resistance 1 ohm are connected in series to form a battery. The battery is then connected to a parallel combination of two identical resistors, each of resistance 6 ohm. Find the current delivered by the battery.

617 Views

9.

State how magnetic susceptibility is different for the three types of magnetic material, i.e., diamagnetic, paramagnetic and ferromagnetic materials.

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10.

An emf of 2 V is induced in a coil when current in it is changed from 0A to 10 A in 0.40 sec. Find the coefficient of self-inductance of the coil.

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