Hot wire ammeter is used

Hot wire ammeter is used (a) only for dc circuit (b) only for ac circuit (c) both (a) and (b) (d) Either (a) or (b) 
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1 Answer

Answer :

Either  a  or   b.
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Related questions

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Last Answer : A 10A DC Ammeter has a resistance of 0.1 Ω is to be extended to 50 A, the required shunt wire is Manganin wire of 25 m Ω

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Last Answer : The deflection of hot-wire instrument depends on: RMS value of the alternating current

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Description : Clamp on ammeter is used for measurement of:

Last Answer : Clamp on ammeter is used for measurement of: large alternating currents

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The internal resistance of the ammeter should ideally be

Last Answer : The internal resistance of the ammeter should ideally be Zero.

The internal resistance of an ammeter should be

Last Answer : The internal resistance of an ammeter should be Very small.

The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100Ohm. ...

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The full-scale deflection current of an ammeter is 1 mA and its internal...

Description :  The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100Ohm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used?

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Last Answer : A moving iron ammeter may be compensated for frequency errors by shunt capacitance.

If a DC voltmeter is made from an ammeter having a fed of 100μA then its sensitivity (in KΩ/V) will be

Last Answer :  If a DC voltmeter is made from an ammeter having a fed of 100μA then its sensitivity (in KΩ/V) will be 10.

If a voltmeter is connected, like an ammeter in series to the load:

Last Answer : If a voltmeter is connected, like an ammeter in series to the load: Almost no current will flow in the circuit

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

An ammeter is a?

Last Answer : An ammeter is a secondary instrument.

what happens when ammeter is connected in parallel?

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.

can ammeter measure ac?

Last Answer : Yes it can...

A potentiometer circuit is setup as shown. The potential gradient across the potentiometer wire is `k "volt"//cm` and the ammeter present in the circu

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Last Answer : B

Some wire- wound resistors have bifilar winding. This type of winding is used to

Last Answer : Some wire- wound resistors have bifilar winding. This type of winding is used to Reduce the inductance of winding.

In order to achieve high accuracy, the slide wire of a potentiometer should be?

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How do you hot wire 2006 Chevy equinox?

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Last Answer : Need answer

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Last Answer : Ans:(d)

In hot wire anemometer used for gas flow measurement, the wire is normally made of (A) Copper(B) Platinum(C) Constantan(D) Chromium

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Open channel liquid flow is most conveniently measured by a (A) Hot wire anemometer (B) Notch (C) Rotameter (D) Segmental orifice

Description : Open channel liquid flow is most conveniently measured by a (A) Hot wire anemometer (B) Notch (C) Rotameter (D) Segmental orifice

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Venturimeters, orificemeters and nozzles are used to measure the fluid discharge from a pipeline. The average fluid velocity in a pipeline can be measured by a/an (A) Weir (B) Hot wire anemometer (C) Cup and vane anemometer (D) None of these

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Last Answer : (B) Tungsten

Hot wire anemometer is used to measure the (A) Velocity of liquids (B) Temperature of liquids (C) Velocity of gases (D) Pressure of liquids

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Last Answer : (C) Velocity of gases

Which of the following is used for very accurate measurement of flow of gas at low velocity? (A) Pitot tube (B) Rotameter (C) Segmental orificemeter (D) Hot wire anemometer

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Speed of a submarine in deep sea & that of an aeroplane is measured by a/an (A) Pitot tube (B) Hot wire anemometer (C) Rotameter (D) Stroboscope

Description : Speed of a submarine in deep sea & that of an aeroplane is measured by a/an (A) Pitot tube (B) Hot wire anemometer (C) Rotameter (D) Stroboscope

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Which of the following instrument can be used for measuring speed of a submarine moving in deep sea? (A) Venturimeter (B) Orifice plate (C) Hot wire anemometer (D) Pitot tube

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Hot wire anemometer is used to measure (A) Pressure in gases (B) Liquid discharge (C) Pressure in liquids (D) Gas velocities

Description : Hot wire anemometer is used to measure (A) Pressure in gases (B) Liquid discharge (C) Pressure in liquids (D) Gas velocities

Last Answer : Answer: Option D

What safety precaution must you observe when soldering or hot-wire stripping fluoroplastic insulated wire?

Description : What safety precaution must you observe when soldering or hot-wire stripping fluoroplastic insulated wire?

Last Answer : Adequate ventilation.

The scale of a hot-wire instrument is a/an ___function

Description : The scale of a hot-wire instrument is a/an ___function

Last Answer : squared

Which type of flow is measured by hot wire anemometer and describe its working principle with suitable diagram.

Description : Which type of flow is measured by hot wire anemometer and describe its working principle with suitable diagram. 

Last Answer : Heat transfer flowmeters this type of flowmeter measures the rise in temperature of the fluid after a known amount of heat has been added to it. Its theory is based upon the specific heat equation ... a supply so as to maintain the wire temperature constant, when the amount of heat transfer varies

Explain working of 'hot wire anemometer with the help of diagram.

Description : Explain working of 'hot wire anemometer with the help of diagram. 

Last Answer : Diagram : Working: The hot-wire anemometer is a fine resistance wire heated by a current passing through it. If a cooler fluid flows past the wire, heat is removed from it by the ... and responsive to high-frequency change in flow rate. One of its main application is aerodynamic research.

What is ammeter shunt ?

Description : What is ammeter shunt ?

Last Answer : A small amount of radial coupling in parallel with the coil to increase the range of ammeter is called ammeter shunt.

What is meant by Voltmeter & Ammeter ?

Description : What is meant by Voltmeter & Ammeter ?

Last Answer : Voltmeter measures the voltage of any load or any line and the voltmeter has to be connected parallel to the load. The ammeter measures the current flowing through a load or the current of an electrical line. The ammeter is connected in series with the load.

What should be the resistance of a standard ammeter ?

Description : What should be the resistance of a standard ammeter ?

Last Answer : The resistance of a standard ammeter should be zero.

What are the physical quantities measured with voltmeter and ammeter ?

Description : What are the physical quantities measured with voltmeter and ammeter ?

Last Answer : : The voltage difference between two points of a circuit is measured with a voltmeter. And the flow rate of an electric circuit is measured with an ammeter.

How to connect voltmeter and ammeter to circuit ?

Description : How to connect voltmeter and ammeter to circuit ?

Last Answer : : A voltmeter is connected in parallel with the two points of voltage circuit to measure the voltage difference. Again, to measure the flow rate of an electric circuit, ammeters are added to the electromagnetic circuit.

What is an Ammeter ?

Description : What is an Ammeter ?

Last Answer : An ammeter is a device which can be used to directly measure the flow of electricity in an electric single ampere. It is a galvanometer whose resistance is very low. It has to be connected in series with the circuit. As a result, the entire current flows through the meter coil.

What is the function of ammeter ?

Description : What is the function of ammeter ?

Last Answer : Moving coil ammeter is used to measure one-way flow of electricity and moving iron ammeter is used to measure alternating current.

In the circuit shown in Fig. 4.67, the resistance of the ammeter A is negligible and that of thevoltmeter V is very high. When the switch S is open, t

Description : In the circuit shown in Fig. 4.67, the resistance of the ammeter A is negligible and that of thevoltmeter V is very high. When the switch S is open, t

Last Answer : In the circuit shown in Fig. 4.67, the resistance of the ammeter A is negligible and that of ... internal resistance of the cell (iii) value of R.

Find the ammeter reading in the cirucit shown in Fig. 4.65.

Description : Find the ammeter reading in the cirucit shown in Fig. 4.65.

Last Answer : Find the ammeter reading in the cirucit shown in Fig. 4.65.