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

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

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Answer :

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

by

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When using a multimeter for resistance measurements, it should be calibrated by clipping the loose ends of the leads together and _____________. A. setting the instrument pointer at 'zero' ohms B. adjusting the line voltage to calibrate the instrument C. plugging each end of one test lead into the plus and minus terminals D. using a special purpose resistance measuring instrument (a bridge)

Description : When using a multimeter for resistance measurements, it should be calibrated by clipping the loose ends of the leads together and _____________. A. setting the instrument pointer at 'zero' ohms B. ... the plus and minus terminals D. using a special purpose resistance measuring instrument (a bridge)

Last Answer : Answer: A

How is a multimeter changed from a voltage measuring device to a resistance measuring device?

Description : How is a multimeter changed from a voltage measuring device to a resistance measuring device?

Last Answer : By changing the position of the function switch

When troubleshooting electronic equipment, you should use a high impedance multimeter ________________. A. to prevent excess current flow through the meter that would damage it B. for AC measurements only and a low resistance meter for DC measurements C. whenever a low impedance meter is not available, regardless of the components being tested D. so as not to load down the circuit and obtain erroneous voltage readings

Description : When troubleshooting electronic equipment, you should use a high impedance multimeter ________________. A. to prevent excess current flow through the meter that would damage it B. for AC measurements only ... being tested D. so as not to load down the circuit and obtain erroneous voltage readings

Last Answer : Answer: D

A device which can be used to check the calibration of a circuit breaker is a _________________. A. 500 volt megohmmeter B. portable low voltage high current testing unit C. standard digital multimeter D. clamp-on voltmeter

Description : A device which can be used to check the calibration of a circuit breaker is a _________________. A. 500 volt megohmmeter B. portable low voltage high current testing unit C. standard digital multimeter D. clamp-on voltmeter

Last Answer : Answer: B

For measuring emf of a standard cell we use:

Last Answer : For measuring emf of a standard cell we use: Potentiometer

Before using an all-purpose electric measuring instrument (multimeter) utilizing internal batteries to supply power for resistance measurements, you should FIRST ____________. A. remove one of the batteries B. remove all the batteries C. calibrate using a known external resistance D. select the proper resistance range

Description : Before using an all-purpose electric measuring instrument (multimeter) utilizing internal batteries to supply power for resistance measurements, you should FIRST ____________. A. remove one of the ... batteries C. calibrate using a known external resistance D. select the proper resistance range

Last Answer : Answer: D

The EMF of Weston standard cell is measured using

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

When measuring a transmitter’s frequency against a suitable standard, the frequency to be measured is taken from the A. oscillator stage B. intermediate amplifier C. buffer stage D. final RF stage

Description : When measuring a transmitter’s frequency against a suitable standard, the frequency to be measured is taken from the A. oscillator stage B. intermediate amplifier C. buffer stage D. final RF stage

Last Answer : D. final RF stage

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

Description : When the voltage across a battery is measured using a D.C potentiometer, the reading shows 1.08 V. But when the same voltage is measured using a Permanent Magnet Moving Coil (PMMC) voltmeter, the voltmeter reading shows 0.99 ... resistance of the battery, in Ohm , is (A) 150 (B) 100 (C) 50 (D) 200

Last Answer : When the voltage across a battery is measured using a D.C potentiometer, the reading shows 1.08 V. But when the same voltage is measured using a Permanent Magnet Moving Coil (PMMC) voltmeter, ... resistance of the voltmeter is 1100 Ohm , the internal resistance of the battery, in Ohm , is 100

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.

This refers to a four-arm ac bridge used for measuring inductance against a standard capacitance.

Description : This refers to a four-arm ac bridge used for measuring inductance against a standard capacitance.

Last Answer : Maxwell Bridge

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

In what manner are voltage-measuring instruments connected to the circuit to be measured?

Description : In what manner are voltage-measuring instruments connected to the circuit to be measured?

Last Answer : In parallel.

When reading AC current with the multimeter shown in the illustration and you are unsure of the range, the range switch should be set to ___________. EL-0047 A. 10 MA/ 10 AMP with leads in the (-10 A) and (+10 A) jacks B. 10 MA/ 10 AMP with leads in the (-COMMON) and (+) jacks C. 10 MA/ 10 AMP with leads in the (-COMMON) and (+10 A) jacks D. unable to measure AC current with this multimeter

Description : When reading AC current with the multimeter shown in the illustration and you are unsure of the range, the range switch should be set to ___________. EL-0047 A. 10 MA/ 10 AMP with leads in the (-10 A ... leads in the (-COMMON) and (+10 A) jacks D. unable to measure AC current with this multimeter

Last Answer : Answer: D

Why is the dc scale on a multimeter different than the ac scale?

Description : Why is the dc scale on a multimeter different than the ac scale?

Last Answer : The meter movement reacts to average ac voltage and current and the effective value is desired.

An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic

Description : An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be  (1) unaffected (2) decreased (3) increased (4) either decreased or increased depending on the direction of the DC field

Last Answer : An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be either decreased or increased depending on the direction of the DC field

A short in the shunt field of a DC motor is best located by _____________. A. visual inspection of the commutator B. applying AC voltage to each field coil and measuring the voltage drop across each field coil C. using a growler and hacksaw blade D. isolating each coil from the others and using a megohmmeter

Description : A short in the shunt field of a DC motor is best located by _____________. A. visual inspection of the commutator B. applying AC voltage to each field coil and measuring the voltage drop across ... using a growler and hacksaw blade D. isolating each coil from the others and using a megohmmeter

Last Answer : Answer: B

The agreed standard for measuring loudness is the loudness sensation produced by a 1000 Hz sine wave _____ dB above the listener’s threshold of hearing. A. 80 B. 50 C. 30 D. 40

Description : The agreed standard for measuring loudness is the loudness sensation produced by a 1000 Hz sine wave _____ dB above the listener’s threshold of hearing. A. 80 B. 50 C. 30 D. 40

Last Answer : D. 40

A multimeter is used to measure – (1) current (2) voltage (3) resistance (4) All of the above

Description : A multimeter is used to measure – (1) current (2) voltage (3) resistance (4) All of the above

Last Answer : (4) All of the above Explanation: A multimeter or a multitester, also known as a VOM (Volt-Ohm meter), is an electronic measuring instrument that combines several measurement functions in ... or digital circuits-analog multimeters (AMM) and digital multimeters (often abbreviated DMM or DVOM.)

A multimeter can be used to measure _____________. A. resistance B. voltage C. current D. all of the above

Description : A multimeter can be used to measure _____________. A. resistance B. voltage C. current D. all of the above

Last Answer : Answer: D

A multimeter may be damaged by taking a _____________. A. voltage reading while in the ammeter mode B. current reading while in the voltmeter mode C. resistance reading while in the ammeter mode D. resistance reading while in the voltmeter mode

Description : A multimeter may be damaged by taking a _____________. A. voltage reading while in the ammeter mode B. current reading while in the voltmeter mode C. resistance reading while in the ammeter mode D. resistance reading while in the voltmeter mode

Last Answer : Answer: A

A multimeter is used to measure (1) current (2) voltage (3) resistance (4) All of the above

Description : A multimeter is used to measure (1) current (2) voltage (3) resistance (4) All of the above

Last Answer : All of the above 

Effective stress is (A) The stress at particles contact (B) A physical parameter that can be measured (C) Important because it is a function of engineering properties of soil (D) All of the above

Description : Effective stress is (A) The stress at particles contact (B) A physical parameter that can be measured (C) Important because it is a function of engineering properties of soil (D) All of the above

Last Answer : Answer: Option C

The skin depth is used to find which parameter? a) DC resistance b) AC resistance c) Permittivity d) Potential

Description : The skin depth is used to find which parameter? a) DC resistance b) AC resistance c) Permittivity d) Potential

Last Answer : b) AC resistance

Which one of the following statements is not correct? A Since voltage depends on concentrations, using standard conditions makes it easier to compare different electrochemical reactions. B We have to measure the cell potential to obtain the difference in potential energy because the potential of half-reactions cannot be measured directly. C The direction of a redox reaction can only be determined experimentally. D Half-cell potentials for half-reactions are determined by combining the relevant half-cell with a standardised half-cell.

Description : Which one of the following statements is not correct? A Since voltage depends on concentrations, using standard conditions makes it easier to compare different electrochemical reactions. B We have ... half-reactions are determined by combining the relevant half-cell with a standardised half-cell.

Last Answer : C The direction of a redox reaction can only be determined experimentally. 

While measuring power in a three phase load by two wattmeter method, the reading of two wattmeter are

Description : While measuring power in a three phase load by two wattmeter method, the reading of two wattmeter are equal and opposite, when (a) load is balanced (b) power factor is unity (c) phase angle is between 60° to 90° (d) the load is purely inductive 

Last Answer :  Option (d)  Load is purely inductive 

The Maxwell bridge is used for measuring

Description : The Maxwell bridge is used for measuring (a) Capacitance (b) Dielectric loss (c) Inductance (d) Phase angle 

Last Answer : b)inductance

When measuring insulation resistance of cables using d.c. source, the galvanometer used should be initially

Description : When measuring insulation resistance of cables using d.c. source, the galvanometer used should be initially short circuited because  (A) Cables have a low value of capacitance which draws a high ... high value of charging current (D) Cables have a low value of capacitance and initial resistance

Last Answer : When measuring insulation resistance of cables using d.c. source, the galvanometer used should be initially short circuited because Cables have a high value of capacitance which draws a high value of charging current

Wien bridge is useful for measuring

Last Answer : Wien bridge is useful for measuring High frequency.

An instrument that is capable of measuring only dc is:

Last Answer : An instrument that is capable of measuring only dc is: Moving coil

For measuring an unknown electrical quantity, select the meter with

Last Answer : For measuring an unknown electrical quantity, select the meter with Highest range and work down.

The desirable static characteristics of a measuring system are?

Last Answer : The desirable static characteristics of a measuring system are accuracy, sensitivity and reproducibility.

For measuring a very high resistance we should use?

Last Answer : For measuring a very high resistance we should use Meggar.

For measuring current at high frequency we should use?

Last Answer : For measuring current at high frequency we should use thermocouple instrument.

The standard method of controlling the output voltage of a 440 volt, 60 Hz, AC generator is accomplished by adjusting the ____________. A. prime mover speed droop B. number of poles C. alternator field excitation D. load on the alternator

Description : The standard method of controlling the output voltage of a 440 volt, 60 Hz, AC generator is accomplished by adjusting the ____________. A. prime mover speed droop B. number of poles C. alternator field excitation D. load on the alternator

Last Answer : Answer: C

The parameter/s of the PQLI is/are a. Life Expectancy Index b. Standard of living index c. Infant mortality rate d. A and C

Description : The parameter/s of the PQLI is/are a. Life Expectancy Index b. Standard of living index c. Infant mortality rate d. A and C

Last Answer : d. A and C

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

Last Answer : The power delivered to a 3-phase load can be measured by the use of two wattmeters only when the three phase load is connected to the source through three wires 

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

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 resistance can be measured most accurately by

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

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

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

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.