K 8:44 LTE 54 1 of 8 DC generators disconnected are Connected to the busbaus Or from them only under the Following Condition: 0 To avoid sudden loading of the prime mover • To avoid mechanical jeck to the shaft To avoid burning All of above of Switch Contacts * Rotor Copper loss is equal to Friction loss 0 Stator Loss • slip times rotor input * By looking at Lass Rotational which part of the motor, it can easily confirmed that a particular motor i D.C motor? · Frame Shaft Commutator Stator CS CamScanner the Correct Comparing the Statement size of BJT and FET, choose ? 9 BJT is BJT is larger than the FET Smaller than the FET Both are of Same size Depends * A MOSFET on application has five terminals 大 8:44 3 of 8 LTE 54 CS CamScanner Which used for voltages? 2 the following technique / method is measurements of ac high Frequency • Fork Voltmeter O 0 Series resistance micro ammeter Resistance potential divider • Any of the above ⭑ Less maintenance troubles. are experienced in Case • of squirrel cage True Fake induction motor * To get the speed of D.C of D.C motor normal without wastage of electrical, Used Ward Leonard control energy below the the control is • True False cross-sectional If the n-channel JEFT increases increased True • • False area of the channel in the dry current is CS CamScanner of electromagnetic induction, an induced to flow in a closed direction that * h voltage all Cases will Cause a Current circuit in such a which is caused that produces the current in of: by the current will the magnetic oppose the field change the original. original statement • Lenz's Law Induction 8:44 Commutator Stator LTE 54 2 of 8 Comparing the 9 CS CamScanner size of BJT and FET, choose statement? larger than the FET the Correct BJT is BJT is Both are of Same size Smaller than the FET Depende on application has five terminal A MOSFET True False A closed loop loop system is distinguished from open loop system by which of the following? Servomechanism Feed back · LX ° Output Pattern Input Pattern A CS CamScanner the following following technique / method Which of For measurements of ac high frequency is (2) used voltages? • Fork Voltmeter • ° Series resistance micro ammeter Resistance potential divider • Any of the above n-ch 8:44 True 4 of 8 False h all Cases LTE 54 CS CamScanner of electromagnetic induction, an induced voltage will Cause 2 Current to flow a closed circuit in such a direction that the magnetic field which is caused by the current will the oppose change that produces the current the original statement of • Lenz's Law • Faraday's y's Love of magnetic Induction . Law of induction Flemming's Ampere's Law Techniques gives quick transient and stability response * i root locus •True 4 False The inputs of a NAND gate are connected together. The resulting circuit is AND gate True False CS CamScanner What the * main advantage of FET which makes ät more useful in industrial applications ? • Voltage controlled operation Lex cost Small size • Semiconductor device. battery to * 8:44 5 of 8 LTE 54 CS CamScanner * What is the main advantage of FET which makes a more useful in industrial applications? • Voltage controlled operation . Less cost • Small size Semiconductor device MOSFET uses the electric field of a battery control the channel current. •True 9 False to * A wire of Resistance R has its length and Cross-section both doubled. Its resistance will become * 9 4R 2R O 9 R R/4 Correct form of O form of Ohm's law I = VR √ = R hone IR VI of the above CS CamScanner * A battery Supplies a has current of an emf of 12.5 Volts and 3.5 A. The resistance of the Current is 3.69 True . . False The direction of mechanical fore experienced a Current carrying conductor placed in a field is determined by 03 magnetic Left-hand rule.