# can ammeter measure ac?

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Yes it can...

## Related Questions

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

How range of A.C. ammeter & A.C. voltmeter is extended? Draw suitable diagram.
Last Answer : Extension of A.C. Ammeter Range: The range of a.c. ammeter can be extended by using CT, the arrangement is shown in figure. The CT is current transformer having less number of primary turns carrying high ... high magnitude of source voltage. In this way range of a.c. voltmeter can be extended.

‘PMMC instrument is not suitable to measure AC quantity’. State the reason.
Last Answer : The direction of force exerted on moving coil depends on the direction of current flowing through moving coil. If the direction of magnetic field is kept constant, it produces unidirectional torque if the current is ... on the coil in one cycle to zero. Hence the meter cannot read A.C. quantities.

Last Answer : The function of shunt in an ammeter is to by pass the current.

Last Answer : An ammeter is a secondary instrument.

Last Answer : Ammeter is a current measuring device having low internal resistance so as to direct all the current flowing in the circuit through it. Hence Ammeter is always connected in series with the circuit. If ... If Ammeter is connected in parallel with the supply, then the supply will be a short circuit.

Use Voltmeter, ammeter, wattmeter to determine active, reactive and apparent power consumed in given R-L series circuit, draw phasor diagram.
Last Answer : Practical Significance In the industry environment Electrical Engineering diploma graduate are expected to measure basic parameters like voltage, frequency, time period etc. for R-L series circuits. Therefore ... /varying L. 7. Draw the phasor diagram for each of reading for verification.

Write any two disadvantages of ammeter shunts.
Last Answer : Disadvantages of ammeter shunts: 1. Errors are caused because of change in temperature. 2. Most suitable for DC measurement. 3. Power loss takes place.

With neat diagram, explain the working of clip-on ammeter.
Last Answer : Working of Clip on Ammeter: Clip on ammeters are used to measure the high current flowing through bus bar, cable or fuse holders, which act as primary. It consists of split core current ... then clipped over the current carrying conductor. The dial will record the current directly.

Describe procedure for calibration of ammeter with diagram.
Last Answer : Procedure for Calibration of Ammeter:  In this method, DC potentiometer is used for measurement of voltage across a standard low resistance.  Connect the circuit as shown in the figure, ... S = resistance of potentiometer  And the currents are compared for finding out error in ammeter.

State the application of phase sequence indicator; clip on ammeter, frequency meter & P.F. meter.
Last Answer : Phase Sequence Indicator:  1. For finding correct phase sequence of supply  2. For obtaining exact instant of parallel operation of alternators.  3. For obtaining reversal of rotation ...  4. In electroplating industries   5. In various processes industries for measuring power factor

Draw a typical electric circuit including ammeter and voltmeter.
Last Answer : The figure shows typical electric circuit including ammeter and voltmeter. Ammeter is connected in series for measurement of current. Voltmeter is connected in parallel for measurement of voltage. Fuse is use ... are used. If the electric supply is DC the DC ammeter and DC voltmeter are used.

What should be the ideal resistance of ammeter ?
Last Answer : Ideal resistance of ammeter should be zero.

what is ammeter ?
Last Answer : An instrument that is used to measure the amount of current flowing in a circuit.

A Pyrheliometer is an instrument to measure :  (A) temperature of solar photovoltaic cell  (B) intensity of direct solar radiation at normal incidence  (C) intensity of indirect solar radiation  (D) efficiency of a solar photovoltaic cell
Last Answer : A Pyrheliometer is an instrument to measure : intensity of direct solar radiation at normal incidence

Piezoelectric Transducer is used to measure  (1) displacement (2) resistance (3) current (4) temperature
Last Answer : Piezoelectric Transducer is used to measure displacement

Which of the following can be used to measure the capacitance of a capacitor? A) Rheostat B) Schering bridge C) Wheatstone bridge D) None of these
Last Answer : Which of the following can be used to measure the capacitance of a capacitor? A) Rheostat B) Schering bridge C) Wheatstone bridge D) None of these

Last Answer : To measure a resistance with the help of a potentiometer it is not necessary to standardise the potentiometer.

Last Answer : It is required to measure the true open circuit e.m.f. of a battery. The best device is D.C. potentiometer.

Last Answer : Integrating instruments are those which measure the total quantity of electricity delivered in a particular time.

What is the unit of measure for voltage?
Last Answer : Voltage measured in volts.

What type of meter is used to measure current?

What equipment is used to measure voltage?
Last Answer : Voltmeter is used to measure voltage.

Last Answer : Voltmeter is used to measure voltage in a circuit.Ohmmeter is used to measure the resistance of a component in a circuit.

How to Measure Optical Distortion
Last Answer : How to Measure Optical Distortion Optical Distortion is defined as a defect in an optical system. In this defect, the magnification of lines causes lines that are typically straight and sitting at an ... to measure optical illusions and also how the illusion is affecting the way you see a specimen.

How to Measure a Strain Gauge
Last Answer : How to Measure a Strain Gauge There are several ways to measure strain. The most common is to use a strain gauge. In laymen's terms, a strain gauge is a device whose electrical ... who supply all the necessary strain gauges and materials from connection tags, to binding adhesives and training.

How to Read a Tape Measure
Last Answer : How to Read a Tape Measure Introduction Reading a tape measure is fairly simple. At some point, you may need to learn this method. Everyone is presented with the need for this device at one time or ... hand. Take extra care and check the measurement 2 or 3 times to be sure that they are correct.

How to Measure Temperature
Last Answer : How to Measure Temperature Whether you're measuring body temperature or dealing with high-temperature substances in laboratories, you need a very reliable way to measure heat. Thermometers and temperature ... or from an object. With these steps, you can measure temperature quickly and accurately.

How to Measure For Replacement Windows
Last Answer : How to Measure For Replacement Windows You could have any number of reasons for wanting to replace your windows. Windows that are older are often far less energy efficient than the newer vinyl ... probably even give you a rebate for choosing energy efficient windows to replace your old windows.

How to Measure For a Garage Door
Last Answer : How to Measure For a Garage Door At some point you will probably need a new garage door. Before getting the new door, however, you will need to take some measurements. This article explains how to measure ... a new garage door you needn't worry if the garage door you buy will fit into the opening.

How to Measure Tire Sizes
Last Answer : How to Measure Tire Sizes Buying a new set of tires is just like buying shoes: you have to make sure that your tires fit perfectly on the wheel. Tires that are too small or too big for your ... , you can buy a set of tires designed and custom-fit to make your driving experience safe and secure.

Draw venture meter and write steps to measure flow rate.
Last Answer : Venturi meter consists of three sections that is converging section, throat section and diverging section. The flow is introduced to the meter through the inlet with diameter D' . The inclined angle ... to 15o . Flow rate is proportional to the square root of the differential pressure.

Explain the term reactive power. Why it is sometimes essential to measure reactive power?
Last Answer : Reactive power: The reactive power (Q) is defined as the product of voltage(V), current (I) and sine of angle between voltage(V) and current( I) Therefore Reactive power Q = V I ... power so that corrective measures can be taken accordingly to maintain systems power factor near to the unity.

List any four measure knobs on front panel on CRO.
Last Answer : Knobs on front panel of CRO: 1. Power ON- OFF 2. Intensity control 3. Focus control 4. Astigmatism control 5. Volt/Div control 6. Vertical position control 7. Invert 8. Horizontal position control 9. Synchronization. 10. Channel selection.

Name the method used to measure following resistances:- (i) Low resistance (ii) Medium resistance (iii) Insulation resistance (iv) Earth resistance.
Last Answer : Following are the methods used to measure resistances:-  (i) Low resistance: 1.Voltmeter-Ammeter Method 2. Kelvin's Double bridge Method  (ii) Medium resistance: 1.Voltmeter-Ammeter Method 2. ... of Charge Method  (iv) Earth resistance : 1. Fall of Potential Method 2. Earth tester

A _________ is used to measure the stator % winding temperature of the generator.  (A) Thermocouple (B) Pyrometer (C) Resistance thermometer (D) Thermometer
Last Answer : A Resistance thermometer is used to measure the stator % winding temperature of the generator.

An open-circuit test on a transformer is conducted primarily to measure?
Last Answer : The open-circuit test in a transformer is used to measure

How do you measure the speed of a motor?

What are ways we can measure the flow of electrons?

How do you measure power factor?
Last Answer : P= 1.83*V*I*COS@ where P is power           V is voltage            I is current           COS @ is P.F COS@= P/(1.83*V*I)  in other way cos @ = true power/apparent power

What does an electric meter measure?

An ac voltmeter using full -wave rectification and having a sinusoidal input has an ac sensitivity equal to  (1) 1.414 times dc sensitivity (2) dc sensitivity (3) 0.9 times dc sensitivity (4) 0.707 times dc sensitivity
Last Answer : An ac voltmeter using full -wave rectification and having a sinusoidal input has an ac sensitivity equal to 0.9 times dc sensitivity

For measurement of radio frequency ac signals __________ type meter is used
Last Answer : For measurement of radio frequency ac signals thermo-couple type meter is used

To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken?
Last Answer : To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken from the same source as the unknown voltage.

How many quarts are in a gallon?

Last Answer : To avoid the effect of stray magnetic field in A.C. bridges we can use magnetic screening.

Last Answer : The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a two-phase winding.

In AC.S.R. conductors, the insulation between aluminium and steel conductors is (a) insulin (b) bitumen (c) varnish (d) no insulation is required
Last Answer : (d) no insulation is required

What is AC ?
Last Answer : Ans. It is the current which changes its magnitude and direction periodically.