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Advantages of open loop control system is/are
AnsweredRajasri Mundrathi asked 5 years ago • 
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________ is known as automatic control system
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If you have KVA and KVAR then formula of power factor will be___.
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A wattmeter measures ________ power
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The advantage of “Y” connected supply system is that
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In parallel AC circuit, power loss is due to
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The power factor of an AC circuit is given by
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In R-L series circuit, line current
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M.M.F. in magnet circuit, ______ in Electric circuit
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The reluctance(AT/Wb) of a magnetic circuit varies as
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A DC circuit usually has _____ as the load.
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In AC. circuits, why laminated iron is used?
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In R-L-C series resonant circuit magnitude of resonance frequency (XL=XC) can be changed by changing the value of
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For the same peak-value which of the following type of wave will 'have the highest RMS-value?
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The power factor of a D.C. circuit is always
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A heater is rated as 440 V, 20 kW, A.C. The value 440 V refers to
AnsweredRajasri Mundrathi asked 5 years ago • 
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Which of the following, are The basic laws for analyzing an electric circuit?
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All _____ are loops but _____ are not meshes
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Thevenin’s theorem is true for ____
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any A.C. circuit always
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In a pure resistive circuit
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Form factor for a sine wave is
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Ohm is not unit of______
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Inductance affects the direct current flow
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Capacitors which are using for power-factor correction are rated in
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The form factor is the ratio of
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A low value of kVAR compared with kW indicates______( In an AC. Circuit)
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In a pure inductive circuit if the supply frequency(f) is reduced to 1/2, the current(I) will
AnsweredRajasri Mundrathi asked 5 years ago • 
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A series R-C circuit behaves as_______circuit At very low frequencies
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The RMS-value & mean-value is the same in the case of
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The algebraic sum of voltages(V1 to Vn) around any closed path in a network is equal to ____ (According to KVL)
AnsweredRajasri Mundrathi asked 5 years ago • 
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The Thevenin voltage is the____
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“48 ampere-hour” it means battery deliver a current of
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Which one of the following is The active material of the positive plates of silver-zinc batteries?
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Which of the following primary cells has the lowest voltage?
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Life of the Edison cell is at least
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During the charging of a lead-acid cell
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Each cell has a vent cap
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The ampere-hour(ah) efficiency of a lead-acid cell in between
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Petroleum jelly is applied to the electrical connections to the leadacid battery
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Short circuiting of a cell may be reason of
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Dry cell is modification of
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The avg. charging voltage(V) for alkali cell is about
AnsweredRajasri Mundrathi asked 5 years ago • 
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The output voltage of a charger is
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Level of electrolyte in a cell should be ____ the level of plates
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Formula of State Of Charge(SOC) is______
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Capacity of dry cells is
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Overcharging of lead acid cell can cause formation which of the gas
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Material of Negative plate of an Edison cell is
AnsweredRajasri Mundrathi asked 5 years ago • 
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The capacity of a lead-acid cell is measured in terms of
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The ratio of ampere-hour(ah) efficiency to watt-hour(wh) efficiency of a lead-acid cell is equal to
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Which of the following, is one of the outputs of battery management system (BMS)?
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Under normal condition of charging rate, the charging current is
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During charging Hydrogen evolved produces explosive mixture when it is more than
AnsweredRajasri Mundrathi asked 5 years ago • 
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If a battery is wrongly connected, what will happen?
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The internal resistance of a lead-acid cell is______of Edison cell
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The capacity of a lead-acid cell depends on
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Cells are connected in parallel to
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If a lead-acid cell is discharged at or below 1.7 V then
AnsweredRajasri Mundrathi asked 5 years ago • 
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Battery charging equipment is generally installed
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