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TSGENCO Practice Quiz 13
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Question 1
A zener diode is always …………………connected.
Question 2
A transistor is not generally operated in ………………….arrangement.
Question 3
An A.C amplifier has a voltage gain of 55 and a power gain of 456.5. The A.C output current is 24.9 mA and the A.C input resistance is 200 Ω . The A.C output resistance is?
Question 4
In producing chlorine through electrolysis, 100 kW power at 125 V is being consumed. How much chlorine per minute is liberated? E.C.E. of chlorine
kg/coulomb.
kg/coulomb. Question 5
An electric kettle boils 1 kg of water in time t1 and another kettle boils the same amount of water in time t2. When they are joined in series, the time t required to boil 1 kg of water is
Question 6
A 2 cm long coil has 10 turns and carries a current of 750 mA. The magnetizing field of the coil is
Question 7
What is the magnetic field intensity in a material whose relative permeability is 1 when the flux density is 0.005 T ?
Question 8
Three identical impedances are connected in delta to a 3-phase supply of 
The line current is 34.65 A and total power taken is 
The resistance of the load in each phase is
The line current is 34.65 A and total power taken is The resistance of the load in each phase is Question 9
A sinusoidal signal of 2 kHz frequency is applied to a delta modulator. The sampling rate and step-size Δ of the delta modulator are 20, 000 sample per second and 0.1 V, respectively. To prevent slope overload, the maximum amplitude of the sinusoidal signal (in Volts) is
Question 10
The output Y in the circuit below is always “1” when
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ESE & GATE ECGeneralJun 15ESE & GATE EC
