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Q11
The ability of a junction diode to ____ an alternating voltage is based on the fact that it allows current to pass only when it is forward biased .

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Q12
A point charge is placed at the centre of a hollow conducting sphere of internal radius r and outer radius 2r. The ratio of the surface charge density of the inner surface to that of the outer surface will be ____.

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Q13
The _____ a property of materials C,Si and Ge depends upon the energy gap between their conduction and valence bands.

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Q14
A copper wire of non-uniform arēa of cross-section is connected to a DC battery. The physical quantity which remains constant along the wire is ____.

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Q15
The physical quantity having SI unit NC⁻¹m is ____.

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Q16
Depict the fields diagram of an electromagnetic wave propagating along positive X-axis with its electric field along Y-axis.

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Q17
Write the conditions on path difference under which (a)constructive and (b)destructive interference occur in Young's Double Slit experiment.

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Q18
Plot a graph showing variation of induced emf with the rate of change of current flowing through a coil.
OR
A series combination of an inductor (L),capacitor (C) and a resistor (R) is connected across an AC source of emf of peak value E₀ and angular frequency (ω).Plot a graph to show variation of impedance of the circuit with angular frequency (ω).

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Q19
Define the term current sensitivity of a moving coil galvanometer.

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Q20
An electron moves along +x direction . It enters into a region of uniform magnetic field B directed along -z-direction as shown in figure.Draw the shape of trajectory followed by the electron after entering the field.
OR
A square shaped current carrying loop MNOP is placed near a straight long current carrying wire AB as shown in the figure .The wire and the loop lie in the same plane.If the loop experiences a net force F towards the wire,find the magnitude of the force on the side NO of the loop.

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2020

Q11
The ability of a junction diode to <u>____</u> an alternating voltage is based on the fact that it allows current to pass only when it is forward biased .

Solution

Q12
A point charge is placed at the centre of a hollow conducting sphere of internal radius r and outer radius 2r. The ratio of the surface charge density of the inner surface to that of the outer surface will be <u>____</u>.

Solution

Q13
The <u>_____</u> a property of materials C,Si and Ge depends upon the energy gap between their conduction and valence bands.

Solution

Q14
A copper wire of non-uniform arēa of cross-section is connected to a DC battery. The physical quantity which remains constant along the wire is <u>____</u>.

Solution

Q15
The physical quantity having SI unit NC⁻¹m is <u>____</u>.

Solution

Q16
Depict the fields diagram of an electromagnetic wave propagating along positive X-axis with its electric field along Y-axis.

Solution

Q17
Write the conditions on path difference under which (a)constructive and (b)destructive interference occur in Young's Double Slit experiment.

Solution

Solution

Q19
Define the term current sensitivity of a moving coil galvanometer.

Solution

Solution

Subjects

2020

Q11 The ability of a junction diode to <u>____</u> an alternating voltage is based on the fact that it allows current to pass only when it is forward biased .

Solution

Q12 A point charge is placed at the centre of a hollow conducting sphere of internal radius r and outer radius 2r. The ratio of the surface charge density of the inner surface to that of the outer surface will be <u>____</u>.

Solution

Q13 The <u>_____</u> a property of materials C,Si and Ge depends upon the energy gap between their conduction and valence bands.

Solution

Q14 A copper wire of non-uniform arēa of cross-section is connected to a DC battery. The physical quantity which remains constant along the wire is <u>____</u>.

Solution

Q15 The physical quantity having SI unit NC⁻¹m is <u>____</u>.

Solution

Q16 Depict the fields diagram of an electromagnetic wave propagating along positive X-axis with its electric field along Y-axis.

Solution

Q17 Write the conditions on path difference under which (a)constructive and (b)destructive interference occur in Young's Double Slit experiment.

Solution

Solution

Q19 Define the term current sensitivity of a moving coil galvanometer.

Solution

Solution

Subjects

Q11
The ability of a junction diode to <u>____</u> an alternating voltage is based on the fact that it allows current to pass only when it is forward biased .

Q12
A point charge is placed at the centre of a hollow conducting sphere of internal radius r and outer radius 2r. The ratio of the surface charge density of the inner surface to that of the outer surface will be <u>____</u>.

Q13
The <u>_____</u> a property of materials C,Si and Ge depends upon the energy gap between their conduction and valence bands.

Q14
A copper wire of non-uniform arēa of cross-section is connected to a DC battery. The physical quantity which remains constant along the wire is <u>____</u>.

Q15
The physical quantity having SI unit NC⁻¹m is <u>____</u>.

Q16
Depict the fields diagram of an electromagnetic wave propagating along positive X-axis with its electric field along Y-axis.

Q17
Write the conditions on path difference under which (a)constructive and (b)destructive interference occur in Young's Double Slit experiment.

Q19
Define the term current sensitivity of a moving coil galvanometer.