The induction of a high Q inductor can be measured by a

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The induction of a high Q inductor can be measured by a Hay Bridge.

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A reading of 120 is obtained when a standard inductor was connected in the circuit of a Q-meter and the

Description : A reading of 120 is obtained when a standard inductor was connected in the circuit of a Q-meter and the variable capacitor is adjusted to a value of 300 pF. A lossless capacitor of unknown value Cx is then connected in ... value of 200 pF. The value of Cx in pF is  A) 100 B) 200 C) 300 D) 500

Last Answer : A reading of 120 is obtained when a standard inductor was connected in the circuit of a Q-meter and the variable capacitor is adjusted to a value of 300 pF. A lossless capacitor of unknown value Cx is ... when the variable capacitor is readjusted to a value of 200 pF. The value of Cx in pF is 100 

Refers to an ac bridge for measuring the inductance and Q of an inductor in terms of resistance, frequency and a standard capacitance.

Description : Refers to an ac bridge for measuring the inductance and Q of an inductor in terms of resistance, frequency and a standard capacitance.

Last Answer : hay bridge

An inductor of Q factor 10 is connected in series with a capacitor having a Q factor of 100. The overall Q factor

Description : An inductor of Q factor 10 is connected in series with a capacitor having a Q factor of 100. The overall Q factor of the circuit is :  (A) 100/11 (B) 11/100 (C) 110 (D) 1000

Last Answer : An inductor of Q factor 10 is connected in series with a capacitor having a Q factor of 100. The overall Q factor of the circuit is : 100/11

Induction watt-hour meters are free from

Description : Induction watt-hour meters are free from (a) phase (b) creeping (c) temperature (d) frequency

Last Answer : b

Light load adjustments for induction type energy meters are usually done at

Description : Light load adjustments for induction type energy meters are usually done at   (a) 10% of full load current (b) 5% of full load current (c) 50% of full load current (d) 1% of full load current 

Last Answer : Light load adjustments for induction type energy meters are usually done at 5% of full load current

An induction type energy meter is found to run fast. Correction for this error can be made by

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Last Answer : An induction type energy meter is found to run fast. Correction for this error can be made by Moving the brake magnet away from the centre of the disc.

An induction wattmeter can be used for?

Last Answer : An induction wattmeter can be used for A.C. 

Induction type single phase energy meters measure electric energy in?

Last Answer : Induction type single phase energy meters measure electric energy in kWh.

For handling greater currents induction wattmeters are used in conjunction with?

Last Answer : For handling greater currents induction wattmeters are used in conjunction with current transformers.

An induction meter can handle current up to?

Last Answer : An induction meter can handle current up to 100 A.

In a standard multimeter for measuring AC voltage, parameter of _____ voltage is measured

Description : In a standard multimeter for measuring AC voltage, parameter of _____ voltage is measured

Last Answer : In a standard multimeter for measuring AC voltage, parameter of RMS voltage is measured

The power delivered to a 3-phase load can be measured by the use of two wattmeters only

Description : The power delivered to a 3-phase load can be measured by the use of two wattmeters only when the  (a) load is unbalanced (b) load is balanced (c) three phase load is connected to the source through three wires (d) three phase load is connected to the source through four wires

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True value has been 50 whereas measured value is 40 then the percentage error in the reading

Description : True value has been 50 whereas measured value is 40 then the percentage error in the reading will be ______.  (A) 20% (B) 40% (C) 50% (D) 30%

Last Answer : True value has been 50 whereas measured value is 40 then the percentage error in the reading will be 20%. 

The self inductance of a coil can be measured using

Description : The self inductance of a coil can be measured using (A) Wien’s Bridge (B) Schering Bridge (C) Anderson’s Bridge (D) Wheatstone Bridge

Last Answer : The self inductance of a coil can be measured using Anderson’s Bridge

When the voltage across a battery is measured using a D.C potentiometer, the reading shows 1.08 V. But

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Dielectric loss in a capacitor is best measured by

Description : Dielectric loss in a capacitor is best measured by (A) Wien Bridge (B) Schering Bridge (C) Anderson Bridge (D) Heaviside-Campbell Equal Ratio Bridge

Last Answer : Dielectric loss in a capacitor is best measured by Schering Bridge

Low resistance is measured by

Last Answer : Low resistance is measured by Kelvin’s double bridge.

The dielectric loss of capacitance can be measured by

Last Answer : The dielectric loss of capacitance can be measured by Schering bridge.

The EMF of Weston standard cell is measured using

Last Answer : The EMF of Weston standard cell is measured using Potentiometer.

The resistance can be measured most accurately by

Last Answer : The resistance can be measured most accurately by bridge method.

The power of a n-phase circuit can be measured by using a minimum of

Last Answer : The power of a n-phase circuit can be measured by using a minimum of (n - 1) wattmeter elements

The frequency can be measured by using:

Last Answer : Weins bridge 

Alternating current is measured by?

Last Answer : Alternating current is measured by induction ammeter.

E.m.f. of a Weston cell is accurately measured by?

Last Answer : E.m.f. of a Weston cell is accurately measured by electrostatic voltmeter.

In an Anderson bridge, the unknown inductance is measured in terms of?

Last Answer : In an Anderson bridge, the unknown inductance is measured in terms of known capacitance and resistance.

A direct current can be measured by?

Last Answer : A direct current can be measured by a D.C. potentiometer in conjunction with a standard resistance.

A voltage of about 200 V can be measured?

Description :

Last Answer : A voltage of about 200 V can be measured a D.C. potentiometer in conjunction with a volt ratio box.

Resistances can be measured with the help of?

Last Answer : Resistances can be measured with the help of ohmmeters and resistance bridges.

The principle of operation of Q-meter is based on

Last Answer : The principle of operation of Q-meter is based on Series resonance.

When the frequency of the rotor of an induction motor is small, it can be measured by_________.

Last Answer : When the frequency of the rotor of an induction motor is small, it can be measured by d.c. moving coil milli-voltmeter

A particle of mass m and charge Q moving with a velocity v enters a region on uniform field of induction B Then its path in the region is s

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The device which transfer the signal from low resistance region to high resistance region is – (1) diode (2) transistor (3) capacitor (4) inductor

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Last Answer : (2) transistor Explanation: A transistor transfers a signal from a low resistance to high resistance. It has two PN-junctions: one junction is forward biased and other junction is reverse biased ... is introduced in the low resistance, circuit and output is taken from the high resistance circuit.

To limit the current flow through a DC voltmeter to as low a value as possible, the moving coil circuit is provided with a/an _____________. A. high series resistance B. high parallel resistance C. series inductor D. external shunt

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Last Answer : Answer: A

How does a capacitor and an inductor react to (a) low frequency and (b) high frequency?

Description : How does a capacitor and an inductor react to (a) low frequency and (b) high frequency?

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Last Answer : Inductor discovers motor (Nikola Tesla)

Authentic Of the inductor Features What? What ?

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In the circuit shown in figure switch S is closed at time t=0 At what time current through `3Omega` resistance and 1H inductor are equal?

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In the figure `V_(ab)` versus time graph along an inductor is shown. Match the following

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A capacitor of capacity `2muF` is changed to a potential different of `12V` . It is then connected across an inductor of inductance `0.6mH` What is th

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In a series `LCR` circuit the frequency of a `10 V`, `AC` voltage soure is adjusted in such a fashion that the reactance of the inductor meausers `15

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