EPROM can be

If memory chip size is 256 x 1 bits, the number of chips required to make 1 k byte memory is

The signal defined by the equations f(t) = 0 for t < 0>f(t) = E for 0 ≤ t ≤ a and f(t) = 0 for t > a is

In a single phase full wave ac regulator, the firing angles in the two half cycles

The 1150 kg geosynchronous satellite INSAT-IA parked 36000 km above India had greatly improved India's

A modem is

A receiver having poor IF selectivity will also have poor

An arbitrary signal m (t) has zero average value and it is bandlimited to 3.2 kHz. It is sampled at the rate of 8 K samples/S. The samples are passed through an ideal bandpass filter with centre frequency of 32 kHz and bandwidth of 6.4 kHz. The output of band pass filter is

For a quadratic factor in transfer function the phase angle is not a function of damping factor.

If any term in the first column of a Routh array becomes zero, then

The dc load current in a bridge rectifier circuit is 10 mA. The dc load current through each diode is

Maximum efficiency of class B power amplifier is 50%.

A network has two branches in parallel. One branch contains impedance Z1 and the other branch has impedance Z2. If it is fed from an ac voltage V of frequency f, the current through Z1 depends, on

A meter with a resistance of 100 Ω and a full scale deflection of current of 1 mA is to be converted into voltmeter of 0 - 5 V range. The multiplier resistance should be

The Lissajous pattern observed on screen of CRO is a straight line inclined at 45° to x axis. If X-plate input is 2 sin ωt, the Y-plate input is

Which of the following voltmeters would you use for measuring voltage across 20 kΩ resistance?

The transition of electron from energy level W1 to W2 is associated with emission or absorption of electro magnetic radiation of frequency f such that

Assertion (A): Orbital magnetic moment of an electron in an atom is of the order of 1 Bohr magneton.

Reason (R): 1 Bohr magneton = 9.27 x 10-24 A/m2.

The resistivity of intrinsic semiconductors, at room temperature, is of the order of

Assertion (A): ∈r can be determined experimentally by measuring the capacitance of a parallel plate capacitor with and without the dielectric.

Reason (R): Capacitance of a parallel plate capacitor = .