A potentiometer may be used for

Options:

(a) measurement of resistance

(b) measurement of current

(c) calibration of ammeter

(d) All of these

The most efficient form of damping employed in electrical instruments is-

Options:

(a) Air friction

(b) Fluid friction

(c) Eddy currents

(d) None of these

What is the size of stack pointer in an 8085 micro proccessor

Options:

(a) 32bit

(b) 16bit

(c) 8bit

(d) 4bit

One Wattt hour contains ________ Joules

Options:

(a) 3.6X10⁸

(b) 3.6X10⁵

(c) 3.6X10³

(d) 3.6X10^-1

A demultiplexer is used to

Options:

(a) route the data from single input to one of many outputs

(b) select data from several inputs and route it to single output

(c) perform serial to parallel conversion

(d) All of these

The increasing order for the value of e/m for electron (e), proton (p), neutron (n) and α particle is –

(a) e, p, n, α

(b) n,p,e, α

(c) n,p,e, α

(d) n, α, p,e