EOI - Surprize Quiz 2

In the bridge circuit the measurement of unknown inductance with known capacitance is _____.

• Maxwell’s Bridge

• Wheatsone Bridge

• Kelvin Bridge

• Scherings Bridge

In CRO the purpose of blanking circuit is

• to increase visual quality

• to increase the number of channels

• o eliminate retrace of signals due to movement of spot

• to eliminate the noise in the signal

A bridge circuit is used for the measurement of the following components _______.

• Diode, triode and thyristor

• Resistance, capacitance and inductance

• Transistor, thermistor and antenna

• LED, op amp and transducer

_________ displays the value of AC or DC voltages being measured directly as discrete numerals in the decimal number system.

• Analog ammeter

• Analog voltmeter

• Digital Voltmeters

• CRO

_______ digital voltmeter uses the operating principle which measure the time that a linear ramp voltage to change from level of input voltage to zero voltage.

• Ramp type

• Integrating type

• Potentiometer type

• Continuous type

The potentiometric type digital voltmeter employs voltage _______ technique to measure the voltage across the control system.

• Integration

• Resistance

• Summing

• Comparison

The main advantage of using the digital storage oscilloscope is ________.

• Uses disc storage

• uses digital storage

• uses mixed mode storage

• uses analog storage

A simple bridge circuit consists of a network of ________

• 3 resistance arms

• 4 resistance arms

• 5 resistance arms

• 6 resistance arms

The operating principle of the bridge circuit is _______.

• Ampere’s rule

• Ohms law

• Kirchoff’s law

• Null deflection

When condition R1/R2 = R3/R4 is satisfied, current in galvanometer of Wheatstone bridge is

• 0

• 1

• Minimum

• Maximum