why current flows in opposite direction of electrons?
Last Answer : Hi team, the current flow is nothing but flow of electrons But the conventional direction I'd opposite to actual current flow . ..
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116 views
1 answer
asked
Oct 3, 2017
by
anonymous

Leakage current flows through the thyristor in
Last Answer : Leakage current flows through the thyristor in Forward blocking mode and Reverse blocking mode.
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211 views
1 answer
asked
May 8, 2018
by
anonymous

When current flows through heater coil it glows but supply wiring does not glow because?
Last Answer : When current flows through heater coil it glows but supply wiring does not glow because resistance of heater coil is more than the supply wires.
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121 views
1 answer
asked
Mar 25, 2018
by
anonymous

Find the current through 4 ohm resistor by source transformation
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135 views
0 answers
asked
Mar 21, 2020
by
anonymous

Find current through resistor using nodal analysis
Last Answer : Find current through resistor using nodal analysis
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910 views
1 answer
asked
Feb 17, 2020
by
anonymous

For a round wire, the approximate value of fusing current is given by
Last Answer : For a round wire, the approximate value of fusing current is given by K√d3
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194 views
1 answer
asked
May 3, 2018
by
anonymous

What happens when a neutral wire touches a phase wire ?
Last Answer : Maximum current flow due to Short circuit, limited value of fuse will burn else apparatus and conductor will be damaged.
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109 views
2 answers
asked
Aug 21, 2019
by
anonymous
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Which wire can carry a higher current stranded wire or solid wire?
Last Answer : From the formula R=PL/A resistance rise with the fall of surface area ,inverse proportion relation between Resistance and Area ,so stranded wire has more area that a solid wire so more area less resistance. Less resistance/less electron flow opposition,more electron flow (current)
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349 views
5 answers
asked
Aug 18, 2019
by
anonymous

Why should switch be connected only on the live wire and never on the neutral wire?
Last Answer : Current runs from the transformer, through the protective device, through the load and back through the protective device (if on RCD). If the protective device is only a CB the current passes ... the circuit will operate correctly but this is an unsafe practice and does not meet the standards.
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87 views
5 answers
asked
Aug 18, 2019
by
anonymous

Increasing the number of turns of wire on the secondary of a transformer will (A) Decrease the secondary current (B) Increase the primary current (C) Have no effect on the secondary current (D) Increase the secondary current
Last Answer : Increasing the number of turns of wire on the secondary of a transformer will Decrease the secondary current
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1.3k views
1 answer
asked
May 8, 2018
by
anonymous

lf the wire which is vertical to this page has electron flow downwards the conductor will have
Last Answer : lf the wire which is vertical to this page has electron flow downwards the conductor will have a counter-clockwise field in the plane of the paper
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180 views
1 answer
asked
Apr 26, 2018
by
anonymous

Wire-wound resistors are unsuitable for use at high frequencies because they?
Last Answer : Wire-wound resistors are unsuitable for use at high frequencies because they exhibit unwanted inductive and capacitive effects.
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150 views
1 answer
asked
Mar 25, 2018
by
anonymous
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How is electricity passed through a wire?
Last Answer : A wire contains mobile electrons as majority charge carriers and holes as minority charge carriers when an emf or potential diffrence is provided , electrons flow in opposite direction with holes(convection current flow)
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148 views
3 answers
asked
Mar 10, 2018
by
anonymous

What gauge wire is in ethernet cable?
Last Answer : “Cat 5 cable typically has three twists per inch of each twisted pair of 24 gauge (AWG) copper wires within the cables.” (source)
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3 views
1 answer
asked
Feb 27
by
anonymous

How to Wire Speakers
Last Answer : How to Wire Speakers Powerful speaker serve many purposes. Amongst these purposes are entertainment during special occasions and event sound system. To maximize its use, you need to understand how much ... long screws rather than short ones. Short screws may not be able to properly secure speakers.
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8 views
1 answer
asked
May 15, 2021
by
anonymous

How to Wire a Lamp
Last Answer : How to Wire a Lamp Wiring a lamp is something you need to do just in case your lamp breaks, and it so happens you keep on forgetting to get it repaired. It's a relatively easy process, with ... by yourself will also be a great help if you found the perfect lampshade from the flea market. Good luck.
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10 views
1 answer
asked
May 15, 2021
by
anonymous

How to Wire a House
Last Answer : How to Wire a House Wiring a home is a challenging but worthwhile task. Familiarize yourself with things involved in wiring a home before you start this project. Make this your first priority because ... out more by hiring someone with both experience and expertise to help you in your first attempt.
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10 views
1 answer
asked
May 15, 2021
by
anonymous

How to Wire a Three-Way Switch ?
Last Answer : How to Wire a Three-Way Switch A three-way switch is the most common system installed in residential areas. This system is used to control a light and receptacle or more from two different switches ... wires for interior use. #14 wires are suggested to be used for protected circuits at 15 amperes.
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12 views
1 answer
asked
May 9, 2021
by
anonymous

How to wire a Ceiling Fan ?
Last Answer : How to wire a Ceiling Fan To wire a ceiling fan is a relatively easy project. Usually, it is similar to working on replacing an existing light fixture. However, you will also need to check the ... have a loose wire connection. In case your fan vibrates or shakes, check if the blades are balanced.
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13 views
1 answer
asked
May 8, 2021
by
anonymous

State functions of ; i) Cable box ii) Guard wire iii) Shackle insulator iv) Stay wire used in service connection
Last Answer : i) Function of Cable box: To hold and inspect incoming and outgoing terminals ii) Function of Guard wire : A grounded conductor placed beneath an overhead transmission line in order to ground ... in service connection: To give mechanical Support to pole, line and prevent leakage current if any
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147 views
1 answer
asked
Sep 20, 2018
by
anonymous

The function of steel wire in ACSR conductors is (A) To take care of surges. (B) To reduce corona. (C) To reduce inductance. (D) To provide additional mechanical strength
Last Answer : The function of steel wire in ACSR conductors is To provide additional mechanical strength
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3.5k views
1 answer
asked
May 8, 2018
by
anonymous

A fuse wire should have : (A) Low specific resistance and high melting point (B) Low specific resistance and low melting point (C) High specific resistance and high melting point (D) High specific resistance and low melting point
Last Answer : A fuse wire should have : High specific resistance and low melting point
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113 views
1 answer
asked
May 8, 2018
by
anonymous

Aluminium is not used as winding wire for the armature of a dc machine because (1) aluminium has low resistivity (2) a large winding space is taken by aluminium conductors and creates ... ) the thermal conductivity of aluminium is low (4) aluminium has low conductivity as compared to copper
Last Answer : Aluminium is not used as winding wire for the armature of a dc machine because (2) a large winding space is taken by aluminium conductors and creates jointing problems (3) the thermal conductivity of aluminium is low (4) aluminium has low conductivity as compared to copper
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621 views
1 answer
asked
Apr 29, 2018
by
anonymous

Nichrome wire is an alloy of?
Last Answer : Nichrome wire is an alloy of nickel and chromium.
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72 views
1 answer
asked
Mar 25, 2018
by
anonymous

If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes?
Last Answer : If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.4 ohm.
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212 views
1 answer
asked
Mar 25, 2018
by
anonymous
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The resistance of a few meters of wire conductor in closed electrical circuit is?
Last Answer : The resistance of a few meters of wire conductor in closed electrical circuit is practically zero.
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355 views
1 answer
asked
Mar 25, 2018
by
anonymous

A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span?
Last Answer : A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span 4.0 cm.
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3.4k views
1 answer
asked
Mar 22, 2018
by
anonymous

Last Answer : In order to achieve high accuracy, the slide wire of a potentiometer should be as long as possible.
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217 views
1 answer
asked
Mar 21, 2018
by
anonymous

Last Answer : The ground wire should not be smaller than No 10 copper.
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157 views
1 answer
asked
Mar 20, 2018
by
anonymous

How do magnets and copper wire make electricity?
Last Answer : According to Faradays law , a changing magnetic field on a conductor induses current in the conductor through mutual induction.
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162 views
1 answer
asked
Mar 10, 2018
by
anonymous

What is ACCC wire?
Last Answer : Aluminum Conductor Composite Core
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112 views
1 answer
asked
Mar 10, 2018
by
anonymous
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Which color wire is neutral?
Last Answer : Black but I think it depends with the place.
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224 views
3 answers
asked
Dec 22, 2017
by
anonymous

What happens to the resistance when the current increases?
Last Answer : Resistance reduces when current increases.
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104 views
1 answer
asked
Mar 15, 2018
by
anonymous

What happens when you reverse the direction of the current in an electromagnet?
Last Answer : When you reverse current direction in an electromagnet, the magnetic poles will also change.
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172 views
1 answer
asked
Mar 14, 2018
by
anonymous

I've lost my memory, How do I caculate the value of this resistor?
Last Answer : Shoot me if I’m wrong, but don’t you need Ohm’s law for that: http://www.kpsec.freeuk.com/ohmslaw.htm?
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0 views
1 answer
asked
Feb 27
by
anonymous

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...
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102 views
1 answer
asked
Aug 25, 2019
by
anonymous

The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is_______Vs.
Last Answer : The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is 20 Vs
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269 views
1 answer
asked
Mar 25, 2018
by
anonymous

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.
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964 views
1 answer
asked
Mar 25, 2018
by
anonymous

Can you make alternating current through a battery?
Last Answer : Yes, we can make AC through a battery using an inverter.
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99 views
1 answer
asked
Mar 14, 2018
by
anonymous

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.
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220 views
3 answers
asked
Nov 22, 2019
by
anonymous

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.
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181 views
2 answers
asked
Nov 22, 2019
by
anonymous

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
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149 views
3 answers
asked
Aug 25, 2019
by
anonymous
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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.
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414 views
1 answer
asked
Jul 1, 2019
by
anonymous

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.
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5.3k views
4 answers
asked
Jun 29, 2019
by
anonymous

Explain why potential difference is necessary to produce current in a circuit.
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99 views
0 answers
asked
Jun 29, 2019
by
anonymous

Kirchhoff's Current Law
Last Answer : Kirchhoff's current law
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2.6k views
1 answer
asked
Jun 11, 2019
by
anonymous

Current ratio
Last Answer : Current ratio
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69 views
1 answer
asked
Jun 11, 2019
by
anonymous

Current divider rule
Last Answer : Current divider rule
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2.5k views
1 answer
asked
Jun 11, 2019
by
anonymous

Current formula
Last Answer : Current formula
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75 views
1 answer
asked
Jun 11, 2019
by
anonymous

Capacitive current
Last Answer : Capacitive current formula
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77 views
1 answer
asked
Jun 11, 2019
by
anonymous
