Description : When current of one ampere is flowing across any cross-section of wire in one second, then the quantity of charge is said to be: (a) One coulomb (b) Three coulomb (c) One micro-coulomb (d) None of above
Last Answer : (a) One coulomb
Description : A sensor which changes light intensity into electric voltage. (a) LDR (b) thermistor (c) photodiode (d) photovoltaic
Last Answer : (a) LDR
Description : In the reverse biased p-n junction, the current is of the order of (a) Ampere (b) Milliampere (c) Microampere (d) Nano-ampere
Last Answer : (d) Nano-ampere
Description : Enzyme catalysed reactions occur in (A) Pico seconds (B) Micro seconds (C) Milli seconds (D) None of these
Last Answer : Answer : C
Description : The unit to measure the flow of water is - (1) Micro Mho (2) Ohm meter (3) Milli curie (4) Cusecs
Last Answer : (4) Cusecs Explanation: The unit to measure the flow of water is cusecs. Cusecs is short form of Cubic feet per second.
Description : The unit to measure the flow of water is (1) Micro Mho (2) Ohm meter (3) Milli curie (4) Cusecs
Last Answer : Cusecs
Description : The number of micro amperes in 2 milli amperes is? A.2 μA B.20 μA C.200 μA D.2,000 μA
Last Answer : The number of micro amperes in 2 milli amperes is? A.2 μA B.20 μA C.200 μA D.2,000 μA
Description : Current gain of a transistor which has collector current of 10 mA and a base current of 40 micro Ampere is: (a) 25 (b) 250 (c) 2500 (d) 25000
Last Answer : b) 250
Description : P-n junction when reversed biased acts as a (a) Capacitor (b) inductor (c) on switch (d) off switch
Last Answer : d) off switch
Description : Which one of the following radiations has the most energetic photon? a) T.V. waves b) Micro waves c) X-rays d) - rays
Last Answer : d) - rays
Description : What is the purpose of the earth fault indication on the switch board?
Last Answer : It detects and indicates phase to earth fault on a circuit.
Description : Why do we close the switch at 11 o'clock and not at 12 o' clock?
Last Answer : When the synchroscope is approaching 12 o'clock the "slip" (differential) between the sine waves is approaching minimum (slip is zero when the synch'scope is at 12 o'clock) and the voltage differential between ... delay to close, by doing at 11 o'clock, we are achieving closing close to 12 o'clock.
Description : The circuit which changes input signal at output with phase shift of 1800 is called (a) Amplifier (b) operational amplifier (c) switch (d) inverter
Last Answer : (d) inverter
Description : What prefix does centi mean?
Last Answer : centi means 0.01 - for example a centimeter means 0.01 m
Description : What is a centi inch equal to?
Last Answer : The prefix "centi" means 1/100.
Description : Which of the following is also referred to as Short Message Service? a) Mini-blogs b) Micro-blogs c) Nano-blogs d) None of the mentioned
Last Answer : Micro-blogs
Description : Will dark current increase or decrease as the temperature of the photodiode increases?
Last Answer : Increase.
Description : The range of wavelength values that a given photodiode will respond. ∙ A. spectral response ∙ B. permeance ∙ C. dark current ∙ D. reluctance
Last Answer : A. spectral response
Description : The leakage current that flows through a photodiode with no light input ∙ A. dark voltage ∙ B. dark impedance ∙ C. dark power ∙ D. dark current
Last Answer : D. dark current
Last Answer : When the light falling on a photodiode increases, the reverse minority current increases.
Description : The fact that the spectrum of any element contains wavelengths that exhibit definite regularities was ` utilized in the second half of the _______in identifying different elements. a) 16th century b) 17th century c) 18th century d) 19th century
Last Answer : d) 19th century
Description : Is it possible to become a milli-lurvian from one question?
Last Answer : You must answer question in a thoughtful and original manner and ask unique and clever questions.
Description : For the coagulation of 200 mL of `As_(2)S_(3)` solution, 10 mL of 1 M NaCl is required. What is the coagulating value (number of milli moles of solute
Last Answer : For the coagulation of 200 mL of `As_(2)S_(3)` solution, 10 mL of 1 M NaCl is required. What is the coagulating ... A. `200` B. `100` C. `50` D. `25`
Description : A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) of necessary shunt will be
Last Answer : A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) ... 001` B. `0.01` C. 1 D. `0.05`
Description : Abu Bakr Al-Baghdadi is the self-styled leader of: A. AI-Qaeda B. Hizbullah C. Shabab-e-Milli D. DAESH
Last Answer : ANSWER: D
Description : The sub-multiple prefix 'milli' (m) means ____________. A. one thousandth (10 to the -3rd power) B. one millionth (10 to the -6th power) C. one billionth (10 to the -9th power) D. one trillionth (10 to the -12th power)
Last Answer : Answer: A
Description : The opening of a 200 mesh screen (Taylor series) is (A) 0.0074 cm (B) 0.0074 mm (C) 0.0047 cm (D) 74 milli-micron
Last Answer : (A) 0.0074 cm
Description : Station A uses 32 byte packets to transmit messages to station B using sliding window protocol. The round trip delay between A and B is 40 milli seconds and the bottleneck bandwidth on the path between A and B is 64 kbps. The optimal window size of A is (1) 20 (2) 10 (3) 30 (4) 40
Last Answer : (2) 10
Description : When a uniform magnetic field B is applied to a current carrying coil, the coil will rotate in such a manner that its plane a) becomes parallel to B b) becomes anti-parallel to B c) makes an angle of 600 with B d) becomes perpendicular to B
Last Answer : d) becomes perpendicular to B
Description : In annihilation of matter the photons produced fly off at the speed of a) Light b) Sound c) Twice the speed of light d) None
Last Answer : a) Light
Description : Please ripley me due to emergency
Last Answer : To calculate the flux density in the ring, you need to use the following formula: B = (μ * I * N) / (2 * π * r) where: B is the flux density in the ring (in teslas) μ is the relative permeability ... 2 * π * 0.127 m) = 0.53 T So the flux density in the ring would be approximately 0.53 teslas.
Description : In a thyristor Latching current is ________ than Holding current a) Equal b) Less c) Greater d) None
Last Answer : Ans: Greater
Description : The force between two long parallel conductors is inversely proportional to (a) radius of conductors (b) current in one conductor (c) product of current in two conductors (d) distance between the conductors
Last Answer : (d) distance between the conductors
Description : A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be (a) zero (b) BLI (c) B2LI (d) BLI2
Last Answer : (a) zero
Description : The left hand rule correlates to (a) current, induced e.m.f. and direction of force on a conductor (b) magnetic field, electric field and direction of force on a conductor (c) self induction, ... and direction of force on a conductor (d) current, magnetic field and direction of force on a conductor
Last Answer : (d) current, magnetic field and direction of force on a conductor
Description : Fleming's left hand rule is used to find (a) direction of magnetic field due to current carrying conductor (b) direction of flux in a solenoid (c) direction of force on a current carrying conductor in a magnetic field (d) polarity of a magnetic pole
Last Answer : (c) direction of force on a current carrying conductor in a magnetic field
Description : The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is (a) proportional to 7 (b) proportional to X (c) proportional to distance between the conductors (d) inversely proportional to I
Last Answer : (b) proportional to X
Description : The termresponsivityasit appliesto a light detectorisbest described as a. the time required for the signal to go from 10 to 90 percent of maximum amplitude b.the ratio ofthediode output currentto ... of output current to output power d. the ratio of output current to input current
Last Answer : b.the ratio ofthediode output currentto opticalinputpower
Description : What is a current transformer and voltage transformer?*
Last Answer : In electrical engineering, a current transformer (CT) is used for measurement of electric currents. Current transformers, together with voltage transformers (VT) (potential transformers (PT)), ... transformers are commonly used in metering and protective relays in the electrical power industry.
Description : Current carried by each of the two long parallel conductors is doubled. If their separation is also doubled , force between them is
Last Answer : Increase two fold
Description : How do you test reverse power trip, high current trip, preferential trip?
Last Answer : Reverse power trip - refer answer for question 11. Also ask E/O. High current (over load trip) - Set your overload relay high current trip setting to say 75% of the rated current. Run the ... loads to overload the generator. Preferential trip will trip all the non-critical loads. Also ask E/O.
Description : Does current flow though a capacitor?
Last Answer : No. Current (or more specifically, charge) flows into one plate, and an opposing current (charge) flows out of the other plate, but the current (except for leakage current) does not flow across the dielectric. The result is that there is a charge differential between the plates.
Description : Why is this reverse power used instead of reverse current in alternators?
Last Answer : It is extremely difficult to detect reverse current with an alternating current system, reverse power can be detected and protection can be provided by reverse power relay.
Description : Does current flow through hull during welding?
Last Answer : Ask E/O. Yes I think
Description : How does current flow during welding?
Last Answer : The current flows through the electrode and to the clamp. That's how it flows in MIG, stick, flux cored. On Tig, the electricity flows through the electrode also except that now that's the only function of it, the rod is held in your hand and electrode in the other.
Description : What does three-phase current mean?
Last Answer : Three current sinusoidal waveforms equal in magnitude but with a phase shift of 120 degrees. 25
Description : What is alternating current?
Last Answer : Bi-directional flow of current in a sinusoidal form with a positive and negative peak.
Description : What is Direct Current?
Last Answer : Uni-directional flow of current.
Description : Under ideal conditions, the collector current is (a) Equal to base current (b) Nearly equal to emitter current (c) Less than base current (d) always zero
Last Answer : (b) Nearly equal to emitter current
Description : The output from a full wave rectifier is (a) A pulsating uni-directional current (b) A DC voltage (c) Zero (d) An AC voltage
Last Answer : a) A pulsating uni-directional current