Description : The fuse in an electric circuit is connected in – (1) series with neutral (2) parallel to live (3) parallel to neutral (4) series with live
Last Answer : (4) series with live Explanation: A fuse wire is a safety wire connected in series with the live wire that has high resistivity and low melting point. Fuses are always connected in ... large current supply or malfunctioning in the electric connections, it melts and breaks the electric circuit.
Description : The fuse in an electric circuit is connected in (1) series with neutral (2) parallel to live (3) parallel to neutral (4) series with live
Last Answer : series with live
Description : All electrical appliances are connected in parallel to each other between the main line and neutral wire to get a. same current b. same current and potential difference c. different current but same potential difference d. different current and potential differences
Last Answer : c. different current but same potential difference
Description : Which covalent fuse wire is connected to the main circuit ?
Last Answer : The fuse wire is connected to the main circuit in a class co-op.
Description : The earth-wire of a cable is connected to – (1) the outer metallic body of the appliance (2) the fuse of the appliance (3) the filament of the appliance (4) short circuitry of the appliance
Last Answer : (2) the fuse of the appliance Explanation: Earth wire prevents Electric shocks. It is connected to the electrical cable of an appliance to prevent electric shocks. Actually it has very low resistance and allows current to pass through it easily.
Description : The earth-wire of a cable is connected to (1) the outer metallic body of the appliance (2) the fuse of the appliance (3) the filament of the appliance (4) short circuitry of the appliance
Last Answer : the fuse of the appliance
Description : An electric bulb is connected on a holder. One end of the wire is connected to the phase and the remaining one connected to earth instead of neutral. The bulb will glow or not? If yes then what is the need of neutral?
Last Answer : 1. Yes the bulb will be glow & neutral is return path of Circuit it is originated from distribution transformers star point, form this point only neutral is taken. 2. Then what is the need ... : It gives assurance of reliable centralized earthling as your home may or may not have reliable earthling.
Description : 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.
Description : Safety fuse wire used in domestic electrical appliances is made of metal of low (1) Resistance (2) Melting point (3) Specific gravity (4) Conductance
Last Answer : (2) Melting point Explanation: The fuse wire is based on the Joules law of heating which says that when the electric current is allowed to pass through a conductor, the conductor heats up and is ... . For this purpose the material used as fuse wire should have high resistance and low melting point.
Last Answer : Melting point
Description : Which wire is the fuse connected to ?
Last Answer : The fuse is connected to the live wire.
Description : To which wire is the fuse connected ?
Last Answer : The fuse is connected to the live wire
Description : Why link is provided in neutral of an ac circuit and fuse in phase of ac circuit?
Last Answer : Link is provided at a Neutral common point in the circuit from which various connections are taken for the individual control circuit and so it is given in a link form to withstand high Amps. ... So if any malfunction happens the fuse connected in the particular control circuit alone will blow off.
Last Answer : A:Link is provided at a Neutral common point in the circuit from which various connection are taken for the individual control circuit and so it is given in a link form to withstand high Amps ... .So if any malfunction happen the fuse connected in the particular control circuit alone will blow off.
Last Answer : Link is provided at a Neutral common point in the circuit from which various connections are taken for the individual control circuit and so it is given in a link form to withstand high Amps. ... Supply is on than due to open or break Neutral Voltage is increase and equipment may be damage.
Description : When the main switch of the house is put off it disconnects the – (1) live wire only (2) live wire and the earth wire (3) live wire and the neutral wire (4) earth wire and the neutral wire
Last Answer : (3) live wire and the neutral wire Explanation: Three wires enter most homes from the power pole-two "hot" wires and a third "neutral" wire. Each hot wire provides 120- volt current for ... the main switch is put off because the electric circuit (the path where the electricity travels) gets opened.
Description : When the main switch of the house is put off it disconnects the (1) live wire only (2) live wire and the earth wire (3) live wire and the neutral wire (4) earth wire and the neutral wire
Last Answer : live wire and the neutral wire
Description : A fuse will 'blow' if _____________. A. an electric motor is stopped suddenly by opening a switch B. the flow of current to the protection device is reversed C. the electrical current exceeds the rated value of the fuse D. unequal resistors are connected in parallel
Last Answer : Answer: C
Description : In the illustration if BRANCH NO. 1 is a lighting circuit for crew's berthing, Federal Regulations (46 CFR) require the maximum fuse rating for that branch to be _________. EL-0013 A. 80% of the connected load B. 15 amps C. 20 amps D. 30 amps
Description : In the illustration if BRANCH NO. 1 is a lighting circuit for crew's berthing, 46 CFR requires the maximum fuse rating for that branch to be _________. EL-0013 A. 15 amps B. 80% of the connected load C. 20 amps D. 30 amps
Description : What is the function of a fuse wire? (a) To prevent an unduly high electric current from passing through a circuit (b) To increase the current supply (c) To decrease the current supply (d) To stabilise the voltage
Last Answer : Ans:(a)
Description : 4. A three-phase, four-wire system having \( 250 V \) line-to-neutral has the following loads connected between the respective lines and the neutral. Calculate the current in the neutral wire?\[Z_{R}=20 \angle 0^{\circ} ... Z_{Y}=20 \angle 35^{\circ} \Omega, Z_{B}=20 \angle-55^{\circ} \Omega\](10M)
Last Answer : 4. A three-phase, four-wire system having \( 250 V \) line-to-neutral has the following loads connected ... =20 \angle-55^{\circ} \Omega \] (10M)
Description : The function of fuse in an electrical circuit is (a) avoid electric shocks (b) regulate the flow of current (c) break the circuit in case of overloading or short circuiting (d) switch off current
Last Answer : Ans:(c)
Description : Why will too many electrical devices operating at one time after blow a fuse or trip a circuit breaker?
Last Answer : The load exceeds the limit of the breaker or fuse. For example a20 amp breaker on a 120 volt circuit will handle 2400 watts. Exceedthat wattage and the breaker will trip or the fuse will blow.
Description : A device which is used to limit the current in an electrical circuit is called a - (1) Grid (2) Fuse (3) Hub (4) Conductor
Last Answer : (2) Fuse Explanation: A fuse places a limit on the amount of current that can be drawn by an electric circuit by opening (blowing or melting) when the current exceeds a preset limit. This protects the circuit and the surroundings from fire or damage in the case of an overload or short circuit.
Description : A device which is used to limit the current in an electrical circuit is called a (1) Grid (2) Fuse (3) Hub (4) Conductor
Last Answer : Fuse
Description : The fuse in an electric circuit is connected in
Last Answer : series with the live wire
Description : Before touching a small capacitor connected to a de-energized circuit, or even one that is completely disconnected, you should ____________. A. gently tap the body with a screwdriver B. tag it ... insulated fuse puller D. short circuit the terminals to make sure that the capacitor is discharged
Last Answer : Answer: D
Description : Why is there no fuse in the neutral line ?
Last Answer : There will be no benefit if the fuse is in the neutral line. This means that the problem of the fuse is not removed. Cannot protect over voltage or current. Electronics will not be able to protect the device from damage. That is why the neutral fuse is not given to him.
Description : State difference between the wire used in the element of an electric heater and in a fuse wire. -Science
Last Answer : The wire used in the element of electric heater has a high resistivity and have a high melting point, so that even at a high temperature element do not burn while fuse wire have a low melting point and high resistivity so that it will melt if a current of large magnitude passes through the wire.
Description : The wire having a green plastic covering is a _______. (1) Line wire (2) Neutral wire (3) Earth wire (4) None of these
Last Answer : (3) Earth wire Explanation: The earth wire is a crucial part of the home electrical system and is designed to protect against electric shock.
Description : What is the color of live and neutral wire ?
Last Answer : The color of the live wire is red and the color of the neutral wire is black.
Description : The simplest method of controlling the terminal voltage of compound-wound DC generator is with a _____________. A. hand-operated field rheostat connected in series with the shunt field circuit B. ... in series with the load D. balance coil diverting neutral current through the shunt field
Last Answer : Answer: A
Description : Explain the meaning of following terms: i) MCB ii) Socket outlet iii) Neutral iv) Fuse-link
Last Answer : i) MCB: Miniature circuit breaker operates automatically at the time of fault or over load. And it is used for the protection of electrical installation. They are available from 0.5 A to 100 Amps. ... melts automatically at the time of fault or over load. Fuse must be replaced after the fault.
Description : The ground indicating light on the main electrical switchboard is indicating a ground. The best procedure for locating the grounded circuit is to _____________. A. trace the circuit paths while looking for ... a time, until the lights no longer indicate a ground D. check all circuits for continuity
Description : 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.
Description : Which of the following statements is correct concerning the circuits in a sound powered telephone system? A. The ringing circuit is composed of only one common wire to ground. B. The common ... connected to each station. D. The talking and calling circuits are electrically dependent upon each other.
Last Answer : Answer: B
Description : (3) made cathode and a pure nickel red, the anode Explanation: Electroplating is the deposition by electrolysis of a coating of metal upon a conducting surface. The simplest system makes the object to be ... on the spoon is called reduction and, therefore, the spoon is also referred to as a cathode.
Last Answer : Which of the following is not a method of preparing oxygen? (1) Electrolysis of water (2) Fractional distillation of liquid air (3) Decomposition of potassium permanganate (4) Decomposition of manganese dioxide
Description : The material used for a fuse wire should have (a) high resistivity (b) high ductility (c) high melting point (d) low melting point
Last Answer : Ans:(d)
Description : If a fuse blows frequently, one should (a) replace it with a thin wire (b) replace it with a thick copper wire (c) replace it with a paper clip (d) call an electrician
Description : Fuse wire is made of-------? A. 63% tin and 37% lead (Answer) B. 63% lead and 37% tin C. 63% tin and 37% aluminum D. 63% lead and 37% aluminum
Last Answer : A. 63% tin and 37% lead (Answer)
Description : What is immeterial for an electric fuse wire ?
Last Answer : What is immeterial for an electric fuse wire ? A. Its specific resistance B. Its radius C. Its length D. Current flowing through it
Description : How much current can flow through a piece if fuse wire before it melts?
Last Answer : What is the answer ?
Description : Fuse wire is made of an alloy of
Last Answer : Tin and Lead
Description : A fuse wire is made of:
Last Answer : An alloy of tin and lead
Description : Fuse wire is made of _____? A. 63% lead arid 37% tin B. 63% tin and 37% aluminum C. 63% tin and 37% lead D. 63% lead and 37% aluminum
Last Answer : ANSWER: C
Description : The commonly used safety fuse-wire is made of - (1) an alloy of Nickel and Lead (2) an alloy of Tin and Lead (3) an alloy of Tin and Nickel (4) an alloy of Lead and Iron
Last Answer : (2) an alloy of Tin and Lead Explanation: As a rule, fuse elements of time delay fuses contain low melting point materials, e.g. tin (Sn) or zinc (Zn) and alloys thereof.