Electrical Engineering

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quearn

Asked: May 25, 2023In: Electrical Engineering

One turn consists of _____________

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and one coil is made up of two coil-sidesone turn consists ofone turn consists of two conductorstwo conductors

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VARISHA PARVEZ

Asked: May 23, 2023In: Electrical Engineering

Which of the following statements are true about electromagnetic torques and reluctance torques? (i) electromagnetic torque can exist only if both windings carry current (ii) reluctance torque depend on the direction of current in stator or rotor windings (iii) reluctance torque doesn't depend on the direction of current in stator or rotor windings (iv) electromagnetic torque depend on the direction of currents is and ir (v) electromagnetic torque doesn't depend on the direction of currents is and ir a) (i), (ii), (iii) b) (ii), (iii), (v) c) (i), (iii), (iv) d) (ii), (iii), (iv)

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electromagneticit

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VARISHA PARVEZ

Asked: May 22, 2023In: Electrical Engineering

Which component of torque in the following equation is called the electromagnetic torque of electromagnetic energy conversion device? Te=1/2is 2dLs/dθr+1/2ir 2dLr/dθr+isirdMsr/dθr a) 1/2is 2dLs/dθr b) 1/2ir 2dLr/dθr c) isirdMsr/dθr d) all of the mentioned

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electromagneticit

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VARISHA PARVEZ

Asked: May 22, 2023In: Electrical Engineering

In a doubly excited magnetic system with salient pole type stator and rotor, if the rotor is not allowed to move, then the equation for magnetic field stored energy in establishing the currents from zero to is and ir is __________ a) Wfld=1/2 is 2 Ls+1/2 ir 2 Lr b) Wfld=1/2 is 2 Ls+Mrs is ir c) Wfld=1/2 is 2 Ls+1/2 ir 2 Lr+Mrs is ir d) Wfld=1/2 ir 2 Lr+Mrs is ir

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electromagneticit

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VARISHA PARVEZ

Asked: May 22, 2023In: Electrical Engineering

QAM uses ______ as the dimensions. a) In phase b) Quadrature c) In phase & Quadrature d) None of the mentioned

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digital communicationit

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VARISHA PARVEZ

Asked: May 22, 2023In: Electrical Engineering

Which is called as on-off keying? a) Amplitude shift keying b) Uni-polar PAM c) Amplitude shift keying & Uni-polar PAM d) None of the mentioned

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digital communicationit

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VARISHA PARVEZ

Asked: May 22, 2023In: Electrical Engineering

In TCM channel capacity can be increased. a) True b) False

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digital engineeringit

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VARISHA PARVEZ

Asked: May 22, 2023In: Electrical Engineering

The super group is made up of a) Five groups b) Sixty channels c) Five groups & Sixty channels d) None of the mentioned

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digital engineeringit

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krati jain

Asked: May 18, 2023In: Design of Electrical Machines

90.What is the rating of the turbo-alternators? a) 750 MW b) 1000 MW c) 20 MW d) 700 MW

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mcqquestion

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krati jain

Asked: May 18, 2023In: Design of Electrical Machines

87.What is the speed by which the hydro-generators are driven? a) 100-1000 rpm b) 5000 rpm c) 1500 rpm d) 3000 rpm

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mcqquestion