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Answer :

Alternating current is measured by induction ammeter.

Related questions

Description : Alternating current (AC)

Last Answer : AC stands for Alternating Current meaning voltage or current that changes polarity or direction respectively over time. An Alternating Current (AC) is an electric current whose magnitude ... energy are known as alternators and are simpler construction than DC electromechanical generators.

Description : Alternating current

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Description : Describe the difference between direct and alternating current.

Last Answer : Direct current is the flow of electricity or charge in one direction..  Alternative current is the flow of charge that doesn't flow in one direction. 

Description : When an alternating current passes through an ohmic resistance the electrical power converted into heat is?

Last Answer : When an alternating current passes through an ohmic resistance the electrical power converted into heat is true power.

Description : The frequency of an alternating current is?

Last Answer : The frequency of an alternating current is the number of waves passing through a point in one second.

Description : In the case of an unsymmetrical alternating current the average value must always be taken over?

Last Answer : In the case of an unsymmetrical alternating current the average value must always be taken over the whole cycle.

Description : Can you make alternating current through a battery?

Last Answer : Yes, we can make AC through a battery using an inverter.

Description : Alternating voltages and phasors (Problem 15)

Last Answer : Alternating voltages and phasors (Problem 15)

Description : Alternating voltages and phasors (Problem 14)

Last Answer : Alternating voltages and phasors (Problem 14)

Description : Alternating voltages and phasors (Problem 13)

Last Answer : Alternating voltages and phasors (Problem 13)

Description : Alternating voltages and phasors (Problem 12)

Last Answer : Alternating voltages and phasors (Problem 12)

Description : Alternating voltages and phasors (Problem 11)

Last Answer : Alternating voltages and phasors (Problem 11)

Description : Alternating voltages and phasors (Problem 10)

Last Answer : Alternating voltages and phasors (Problem 10)

Description : Alternating voltages and phasors (Problem 9)

Last Answer : Alternating voltages and phasors (Problem 9)

Description : Alternating voltages and phasors (Problem 8)

Last Answer : Alternating voltages and phasors (Problem 8)

Description : Alternating voltages and phasors (Problem 7)

Last Answer : Alternating voltages and phasors (Problem 7)

Description : Alternating voltages and phasors (Problem 6)

Last Answer : Alternating voltages and phasors (Problem 6)

Description : Alternating voltages and phasors (Problem 5)

Last Answer : Alternating voltages and phasors (Problem 5)

Description : Alternating voltages and phasors (Problem 4)

Last Answer : Alternating voltages and phasors (Problem 4)

Description : Alternating voltages and phasors phasor addition and division (Problem 3)

Last Answer : Alternating voltages and phasors phasor addition and division (Problem 3)

Description : Alternating voltages and phasors : phasor addition (Problem 2)

Last Answer : Alternating voltages and phasors : phasor addition (Problem 2)

Description : Alternating voltages and phasors (Problem 1)

Last Answer : Alternating voltages and phasors (Problem 1)

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

Description : In a single-phase transformer, the magnetizing current is (A) in phase with the no-load current (B) in quadrature with the no-load current (C) the product of no-load current and power factor (D) in phase with the flux in the core

Last Answer : In a single-phase transformer, the magnetizing current is in phase with the flux in the core

Description : Eddy current damping cannot be used for moving iron instrument because

Last Answer : Eddy current damping cannot be used for moving iron instrument because the presence of a permanent magnet required for such purpose would affect the deflection and hence the reading of the instrument

Last Answer : The gravity controlled instrument has crowded scale because current is proportional to sine of deflection angle.

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

Last Answer : The disc of an instrument using eddy current damping should be of conducting and non-magnetic material.

Last Answer : The chemical effect of current is used in D.C. ammeter hour meter.

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

Description : What type of meter is used to measure current?

Last Answer : Ammeter

Description : Analyze the effect of supply voltage on performance of LED as regards current, Lumen output, efficacy and life. 

Last Answer : 1) Effect on Current:- In LED current depends upon supply voltage, if voltage get changes then current also change but this change in current will be control by resistors which are connected in series.  2) ...   4) Effect on Life:- If supply voltage is not stable then life of LED get reduced. 

Description : With the help of N-channel JFET describe the effect of input voltage VGS on output current ID.

Last Answer : Working of N channel FET: * When a voltage is applied between the drain and source with a DC supply (VDD), the electrons flows from source to drain through narrow channel ... where the channel gets completely blocked and the drain current becomes zero is called pinch- off voltage. 

Description : Define: i) Input Offset Voltage ii) Input offset Current iii) Input Bias Current iv) Output offset voltage

Last Answer : Definition of parameters of OPAMP is follows:  i) Input Offset Voltage: Input offset voltage is defined as the voltage that must be applied between the two input terminals of an OPAMP to null or ... to ground) and output voltage is obtained non zero such voltage is output offset voltage of opamp.

Description : Current division rule example

Last Answer : Current division rule example

Description : A linear network has a current input 4cos(ω t + 20º)A and a voltage output 10 cos(ωt +110º) V. Determine the associated impedance.

Last Answer : Solution

Description : Find current through resistor using nodal analysis

Last Answer : Find current through resistor using nodal analysis

Description : Nodal analysis problem two current source

Last Answer : Nodal analysis problem two current source

Description : Direct Current (DC) Next Topic : Alternating current (AC)

Last Answer : Direct Current (DC) is the unidirectional electric current. Uni meaning is one. And the flow of charge in same direction. We know that conventional current flow from positive terminal of battery to ... The magnitude of DC may constant or vary but direction do not change with respect to time.

Description : Does current flow through a capacitor ?

Last Answer : Imagine a pipe with a flexible diaphram in the middle separating two haves of the pipe. Now the pipe is filled with air. If you apply a pressure to one end the diaphram will deform ... capacitor, the effects on electrons will be recreated across the boundary. But theres no electrical connection...

Description : What kills, current or voltage?

Last Answer : Current would kill. You can actually have thousands of bolts going through you and not even know it. Yes you probably know already voltage is current times resistance. Since your body is a resistor it would take just a small amount of current to create a very high voltage

Description : Electric Current

Last Answer : Electric current is the flow of charges. The electrons flow from higher density area of electrons to lowers density area of electrons. The terminal of battery which we called positive terminal of ... circuit is called electric current. The unit of electric current is Coulomb per Second or Ampere.

Description : Define current. State its unit.

Last Answer : Electric current: It is a measure of the amount of electrical charge transferred per unit time. It represents the flow of electrons through a conductive material, such as a metal wire. Unit: 1 coulomb/second. OR Its unit is ampere represented by A

Description : Give two applications of each : 1) Eddy current sensor 2) Optical sensor.

Last Answer : Eddy current sensor : 1. Detection of non-magnetic but conductive materials. 2. Displacement sensing 3. Position sensing Optical sensor : 1. Position Detection 2. Velocity Detection 3. Acceleration Detection 4. Direction Detection

Description : A charge of 0.1 C moves past a given point every 0.01 s. How much is the current?

Last Answer : The current is 10.0A.  1ampere = 1 Coulomb per 1 second.  0.1Coulombs ÷ 0.01seconds = 10.0amperes.

Description : A) Watt B) Volts C) Farad D) Ampere

Last Answer : Correct answer: D) Ampere

Description : Current ratio

Last Answer : Current ratio

Description : Current divider rule

Last Answer : Current divider rule

Description : Current formula

Last Answer : Current formula

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Last Answer : Capacitive current formula