Measurement and Instrumentation
The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following?

  Period and frequency measurement modes respectively.
 Frequency measurment modes only.
 Period measurment modes only.
 Frequency and period measurment modes, respectively.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
A resistance of 105 ohms is specified using significant figures as indicated below : 1. 105 ohms 2. 105.0 ohms 3. 0.000105 mega ohms Among these,

 2 represents greater precision but 1 and 3 represent same precision.
 2 and 3 represent greater precision than 1.
 1, 2 and 3 represent same precision.
 1 represents greater precision than 2 and 3.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Measurement and Instrumentation