What is the unit of electric current ?

What is the unit of electric current ?
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Single ampere of electric current.
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Related questions

What is the SI unit of electric current ?

Description : What is the SI unit of electric current ?

Last Answer : SI unit ampere of electric current .

What is the unit of electric current ?

Description : What is the unit of electric current ?

Last Answer : Single ampere of current

What is the SI unit of electric current? (1) Amperes (2) Coulombs (3) Joules (4) Watts

Description : What is the SI unit of electric current? (1) Amperes (2) Coulombs (3) Joules (4) Watts

Last Answer : (1) Amperes Explanation: The SI unit for measuring an electric current is the am pere, which is the flow of electric charge across a surface at the rate of one coulomb per second.

A kilowatt-hour is unit of – (1) Energy (2) Power (3) Electric charge (4) Electric current

Description : A kilowatt-hour is unit of – (1) Energy (2) Power (3) Electric charge (4) Electric current

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In an electric field, energy per unit positive charge is A. voltage B. current C. frequencyD. resistance

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'Kilowatt-hour' is the unit of - (1) potential difference (2) electric power (3) electric energy (4) electric potential

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The S.I. unit of electric charge is – (1) ampere (2) coulomb (3) e.s.u (4) Kelvin

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Last Answer : (2) coulomb Explanation: The SI unit of quantity of electric charge is the coulomb, which is equivalent to about 6.242x10^18 e (e is the charge of a proton). Hence, the charge of ... of charge that has passed through the cross section of an electrical conductor canying one ampere within one second.

The S.I. unit of electric charge is : (1) ampere (2) coulomb (3) e.s.u (4) kelvin

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What is the unit of electric current? -General Knowledge

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Last Answer : Ampere is the unit of electric current.

What is the practical unit of electric current ?

Description : What is the practical unit of electric current ?

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What is the unit of electric current ?

Description : What is the unit of electric current ?

Last Answer : Single ampere of electric current.

What is the unit of electric current ?

Description : What is the unit of electric current ?

Last Answer : Single ampere of electric current.

What is the practical unit of electric current ?

Last Answer : The working unit ampere of electric current

A large metal sheet carries an electric current along its surface. Current per unit length is `lambda` . Magnetic field near the metal sheet is.

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kilohertz (kHz) is a unit which measures? A. Power used by a current of one ampere B. Electromagnetic radio wave frequencies (Answer) C. Voltage D. Electric resistance

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Kilowatt-hour is a unit of------? A. Power B. Electric Current C. Energy (Answer) D. Time E. None of these

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The conductivity of a material with current density 1 unit and electric field 200 μV is a) 2000 b) 3000 c) 4000 d) 5000

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What is the unit of electric current?

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

Last Answer : Correct answer: D) Ampere

What is the amount of electric current ?

Description : What is the amount of electric current ?

Last Answer : The basic amount of electric current.

What do you mean by electric current ?

Description : What do you mean by electric current ?

Last Answer : : When two different voltage objects are connected by a conductive wire , electrons flow from the low voltage object to the high voltage object. This flow is maintained until the potential ... objects is maintained through a process. This uninterrupted flow of electrons is the flow of electricity.

Describe the direction of electric current and the direction of electron flow ?

Description : Describe the direction of electric current and the direction of electron flow ?

Last Answer : : The conventional direction of electric current is taken from higher voltage to lower voltage or from the positive layer of the electric cell to the negative layer. But in fact the flow of electricity ... the higher voltage i.e. from the negative plate of the electric cell to the positive plate.

From which formula can the direction of induced electric current be determined ?

Description : From which formula can the direction of induced electric current be determined ?

Last Answer : : The direction of the induced electric current can be determined from Lenz's formula.

As a result of electric current a magnetic field is created around it , from whose test can it be realized ?

Description : As a result of electric current a magnetic field is created around it , from whose test can it be realized ?

Last Answer : An electric current creates a magnetic field around it , as can be seen from Hans Christian Werstead's experiments.

What is the level of electric current ?

Description : What is the level of electric current ?

Last Answer : Level of electric current I

What is the definition of electric current density ?

Description : What is the definition of electric current density ?

Last Answer : Flow density is the flow of electricity flowing through the area of a single cross section per conductor. If the cross-sectional area of a conductor is A and the current flowing through it is I then the current density will be J , J = I / A but I = nAve so J = nAve / A = nve

How many types of electric current and what are they ?

Description : How many types of electric current and what are they ?

Last Answer : There are two types of electric current. 1. Aparyayabritta flow or samprabah or one-way flow 2. Periodic flow or alternating flow.

The threshold frequency is the frequency below which – (1) photo current increases with voltage (2) photo current decreases with voltage (3) photo electric emission is not possible (4) photo current is constant

Description : The threshold frequency is the frequency below which – (1) photo current increases with voltage (2) photo current decreases with voltage (3) photo electric emission is not possible (4) photo current is constant

Last Answer : (3) photo electric emission is not possible Explanation: The photoelectric effect is the emission of electrons by substances, especially metals, when light falls on their surfaces. The photoelectric ... gain sufficient energy to overcome the electrostatic barrier of the work function of the metal.

The threshold frequency is the frequency below which - (1) photo current is constant (2) photo current increases with voltage (3) photo current decreases with volt (4) photo electric emission is not possible

Description : The threshold frequency is the frequency below which - (1) photo current is constant (2) photo current increases with voltage (3) photo current decreases with volt (4) photo electric emission is not possible

Last Answer : (4) photo electric emission is not possible

A bird sitting on a high tension electric wire does not get electrocuted because – (1) it has high resistance (2) the body is earthed (3) it does not form a closed path for the flow of current (4) its feet are good insulators

Description : A bird sitting on a high tension electric wire does not get electrocuted because – (1) it has high resistance (2) the body is earthed (3) it does not form a closed path for the flow of current (4) its feet are good insulators

Last Answer : (3) it does not form a closed path for the flow of current Explanation: Electricity travels from a place of high voltage to low voltage, just as water travels from high elevation to low ... When electricity travels through a body in this fashion, electrocution takes place, and the bird can die.

Nichrome wire is used in an electric heater because _______. (1) It has high resistance (2) It has high melting point (3) It can resist a current upto approx 5 amperes (4) For all of the above reasons

Description : Nichrome wire is used in an electric heater because _______. (1) It has high resistance (2) It has high melting point (3) It can resist a current upto approx 5 amperes (4) For all of the above reasons

Last Answer : (4) For all of the above reasons

Which of the following is not correct? (1) Ammeter measures the strength of electric current. (2) Lactometer measures the relative density of milk. (3) Rain gauge measures rain fall (4) Hygrometer measures sound under water.

Description : Which of the following is not correct? (1) Ammeter measures the strength of electric current. (2) Lactometer measures the relative density of milk. (3) Rain gauge measures rain fall (4) Hygrometer measures sound under water.

Last Answer : (4) Hygrometer measures sound under water. Explanation: A hygrometer is a weather instrument used to measure the amount of humidity in the atmosphere

Super conductors are substances that – (1) offer minimum resistance to flow of electric current (2) conduct electricity at low temperature (3) conduct electricity at high temperature (4) offer high resistance to the flow of electric current

Description : Super conductors are substances that – (1) offer minimum resistance to flow of electric current (2) conduct electricity at low temperature (3) conduct electricity at high temperature (4) offer high resistance to the flow of electric current

Last Answer : (1) offer minimum resistance to flow of electric current Explanation: A superconductor is a material that can conduct electricity or transport electrons from one atom to another with no ... is released from the material when it reaches the temperature at which it becomes superconductive.

Flemings "Left hand Rule" is associated with the effect of – (1) Electric field on current (2) Magnetic field on magnet (3) Electric field on magnet (4) Magnetic Field on current

Description : Flemings "Left hand Rule" is associated with the effect of – (1) Electric field on current (2) Magnetic field on magnet (3) Electric field on magnet (4) Magnetic Field on current

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A current carrying conductor is associated with – (1) a magnetic field (2) an electric field (3) an electro-magnetic field (4) an electrostatic field

Description : A current carrying conductor is associated with – (1) a magnetic field (2) an electric field (3) an electro-magnetic field (4) an electrostatic field

Last Answer : (3) an electro-magnetic field Explanation: A current carrying conductor, such as a metal wire, will produce a magnetic field around it because of the motion of charge within the wire itself. This motion produces or sets up a magnetic field around the wire in the form of concentric circles.

Which of the following is not a vector quantity? (1) Acceleration (2) Electric current (3) Force (4) Velocity

Description : Which of the following is not a vector quantity? (1) Acceleration (2) Electric current (3) Force (4) Velocity

Last Answer : (2) Electric current Explanation: For a physical quantity to be termed a vector quantity, having magnitude and direction is not enough.

The fuse in our domestic electric circuit melts when there is a high rise in – (1) Inductance (2) Current (3) Resistance (4) Capacitance

Description : The fuse in our domestic electric circuit melts when there is a high rise in – (1) Inductance (2) Current (3) Resistance (4) Capacitance

Last Answer : (2) Current Explanation: In electronics and electrical engineering, a fuse is a type of low resistance resistor that acts as a sacrificial device to provide over protection, of either the load ... fuse interrupts excessive current (blows) so that further damage by overheating or fire is prevented.

Electric current in a metal wire is due to the flow of — (1) Electrons (2) Protons (3) Ions (4) Holes

Description : Electric current in a metal wire is due to the flow of — (1) Electrons (2) Protons (3) Ions (4) Holes

Last Answer : (1) Electrons Explanation: A solid conductive metal contains mobile, or free electrons, originating in the conduction electrons. When a metal wire is connected across the two terminals of a DC ... the conductor are forced to drift toward the positive terminal under the influence of this field.

Water cannot be used to extinguish fire caused by electric current, because – (1) it may cause electrocution (2) it may cause hydrolysis (3) it may cause electrolysis (4) it may spoil the wiring

Description : Water cannot be used to extinguish fire caused by electric current, because – (1) it may cause electrocution (2) it may cause hydrolysis (3) it may cause electrolysis (4) it may spoil the wiring

Last Answer : (1) it may cause electrocution Explanation: Using water for putting out electric fires is risky, as the firemen can be electrocuted by the water jet. Water is a good conductor of ... jet directly into the hands of the person who is holding the waterhose, resulting in immediate electrocution

If we reverse the direction of electric current, then the direction of magnetic field will beA. reversedB. remains sameC. becomes tangentD. becomes norma

Description :  If we reverse the direction of electric current, then the direction of magnetic field will be A. reversed B. remains same C. becomes tangent D. becomes norma

Last Answer : reversed

F = BIL can only be used if the magnetic field and electric current are A. at right angles to each other B. in same direction C. anti-parallel to each other D. anti-perpendicular to each other

Description : F = BIL can only be used if the magnetic field and electric current are A. at right angles to each other B. in same direction C. anti-parallel to each other D. anti-perpendicular to each other

Last Answer : at right angles to each other

Whenever there is force on magnetic pole, there exists A. magnetic field B. electric field C. current D. voltage

Description : Whenever there is force on magnetic pole, there exists A. magnetic field B. electric field C. current D. voltage

Last Answer : electric field

Magnetic field can be produced by using A. permanent magnet B. electric current C. temporary magnet D. both A and B

Description : Magnetic field can be produced by using A. permanent magnet B. electric current C. temporary magnet D. both A and B

Last Answer : permanent magnet

Where an electric charge experiences a force, there is an A. electric field B. magnetic field C. electric current D. conventional current

Description : Where an electric charge experiences a force, there is an A. electric field B. magnetic field C. electric current D. conventional current

Last Answer : electric field

Phenomena in which a charged body attract uncharged body is called A. electrostatic induction B. electric current C. charge movement D. magnetic induction

Description : Phenomena in which a charged body attract uncharged body is called A. electrostatic induction B. electric current C. charge movement D. magnetic induction

Last Answer : electrostatic induction

Electric power is related to A. current in component B. potential difference C. electrical resistance D. both A and B

Description : Electric power is related to A. current in component B. potential difference C. electrical resistance D. both A and B

Last Answer : both A and B

Rate of flow of electric charge is A. electric current B. conventional current only C. electronic current only D. potential difference

Description : Rate of flow of electric charge is A. electric current B. conventional current only C. electronic current only D. potential difference

Last Answer : electric current

Direction of conventional current is A. direction of neutron flow B. direction of electron flow C. direction of flow of positive charge D. same as that of electric current

Description : Direction of conventional current is A. direction of neutron flow B. direction of electron flow C. direction of flow of positive charge D. same as that of electric current

Last Answer : direction of flow of positive charge

Hall voltage is directly proportional to A. current B. electric field C. magnetic flux density D. all of above

Description : Hall voltage is directly proportional to A. current B. electric field C. magnetic flux density D. all of above

Last Answer : magnetic flux density

An electric clothes dryer is connected to a 100-volt source. How much current does it use if it requires 2,000 watts of electric power?

Description : An electric clothes dryer is connected to a 100-volt source. How much current does it use if it requires 2,000 watts of electric power?

Last Answer : 20 Amphere