CRO, MULTIMETER

Register No.

Which of the following compares the output in a successive approximation type DVM?

• a) comparator

• b) diode

• c) op amp

• d) rectifier

Which of the following is the main device used in the linear ramp technique?

• a) non-linear ramp

• b) linear ramp

• c) asymptotic ramp

• d) exponential ramp

Which of the following determines light intensity in a CRT?

• a) current

• b) fluorescent screen

• c) voltage

• d) momentum of electrons

What is basic range of a meter?

• a) causes maximum deflection

• b) causes minimum deflection

• c) causes zero deflection

• d) causes medium deflection

 High range can be obtained in a basic D.C. electronic voltmeter by ________

• a) a transformer

• b) an attenuator

• c) a transducer

• d) a resistor

R.M.S value means _________

• a) root mean square

• b) rate mean second

• c) root median second

• d) rate mode second

Sensitivity is of the order of ________

• a) MV

• b) V

• c) GV

• d) mV

Electronic multimeter measures ________

• a) voltage, current and resistance r

• b) voltage and current

• c) current and power

• d) energy and power

Input signal magnitude is limited by ________

• a) button

• b) resistance

• c) attenuator

• d) voltage