BE Electronics Engineering BE Electronics Engineering Quiz 151 Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks BE Electronics Engineering Quiz 1 / 25 Electrolytic capacitor must be connected in a correct polarity:- False True 2 / 25 Silicon transistors have much less leakage current as compared to Ge transistors:- False True 3 / 25 Five 2V cells are connected in parallel. The output voltage is:- 1V 2 V 1.75 V 1.5 V 4 / 25 Ceramic capacitor must be connected in correct polarity:- False True 5 / 25 An N-type semi conductor has free electrons ,while a P-N type has hole charges;- False True 6 / 25 The SCR is a silicon diode rectifier with a gate control electrode:- True False 7 / 25 Photo multiplier consist of __________ photo emissive cathode :- 1 2 3 8 / 25 What the current in primary coil of a transformer is changed it induce change in the magnetic field of :- Secondary coil Capaitor Transistor 9 / 25 The forbidden energy gap for Germanium is:- 0.72 eV 0.32 eV 0.12 eV 10 / 25 In a transistor leakage current mainly depends on;- Size of emitter Doping of base Temperature 11 / 25 The torque developed in the cage induction motor with autostarter is k2 x torque wwith direct switching ;- False True 12 / 25 The input functions are for what purpose ;- Process the data flow from these interactive device Both a b Control the data flow from these interactive devices 13 / 25 The electric field at a point situated at a distance d from straight charged conductor is:- Inversely Proportional to d Directly Proportional to d Proportional to d 14 / 25 If an ohm meter reading immediately goes practically to zero and stays there , capacitor is:- Short circuited Lossy Charged 15 / 25 Fins are often provided on:- heat filament anode cathode 16 / 25 In the circle diagram for induction motor, the diameter of the circle represent :- rotor current running torque Slip 17 / 25 The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually rise to _________ percent of its maximum value;- 37 final 62, initial 62 final 37, initial 18 / 25 The capacity of a capacitor bank used in power factor correction is expressed in the term of:- kVA kVAR kW 19 / 25 Reciprocal or permeability is:- Permittivity Reluctivity Conductance Suscptibility 20 / 25 For which motor the speed can be controlled from rotor side :- Slip ring induction motor Both a b Squirrrel cage induction motor 21 / 25 What happens if the pixel of an image are increased :- Better Blur Hide 22 / 25 In the case of lossy capacitor , Its series equivalent resistance value will be:- Large Small Zero Very small 23 / 25 Which element does not have three valence electrons:- Boron Aluminium Phosphorus 24 / 25 Fiber optic sensor can be used to sense ;- Displacement Power Current 25 / 25 If three 10 uF capacitors are connected in series, the net capacitance is:- 50 uF 20 uF 40 uF 30 uF Your score is LinkedIn Facebook Twitter VKontakte Restart quiz