Electronics and Communication Engineering
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In figure the voltage distribution on a vertical earthed antenna is represented by

Inputs A and B of the given figure are applied to a NANDgate.
The output is LOW

To neglect a current source the terminals across the source are

Computer ICs work reliably because

The expression A2 + B2 - 3 AB when written is Pascal should be written as

Which is not a software

The disadvantage of transformer coupling in amplifier is

Assertion
(A): When an electron is revolving in its orbit and magnetic field is also present, the angular frequency of electron will be affected by the magneticfield.
Reason (R): In the case of electron revolving in its orbit in the presence of magnetic field, the orbital magnetic dipole moment is not affected by the presence of magnetic field

In a plate modulated class C amplifier, the peak supply voltage is
V. The maximum plate-cathode voltage can be

In a radio receiver, the local oscillator is always tuned to a frequency higher than the incoming frequency to

In a 3 phase bridge inverter with 120° mode of operationthe.
number of thyristors conducting at one time are

In the given figure power meters at A and B indicate 1 mW and 110 μWrespectively.
VSWR of line is

In pulse width modulation of chopper

Assertion
(A): If , the final value of i(t) = 10Reason (R): If , the initial value i(t) = 2

If , the coefficient of term e-t in f(t) will be

The distance of a direct broadcasting satellite from earth's surface is about

In a piezoelectric crystal, the application of mechanical force will cause

Assertion
(A): Transient analysis uses Laplacetransformation.
Reason (R): Laplace transform method is suitable for solution of integro differential equations

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