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These questions belong to ITI Trade theory which has been asked in various government exams. After solving, Mention your marks in the comment section
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What is the unit of susceptance? S1M6-1
What is the resistance of the inductive coil takes 5A current across 240V, 50Hz supply at 0.8 power factor? S1M6-2
How the resonance frequency (fr) can be increased in A.C series circuit? S1M6-3
What is the main cause for below 0.5 lagging power factor in 3 phase system? S1M6-5
What is the current in neutral conductor in 3 phase unbalanced load in star connected system? S1M6-6
Calculate the apparent power in KVA of 3 phase 415V, 50 Hz, star system, if the line current (IL) is 16A at 0.8 power factor S1M6-7
What will be the readings of two watt meters (W1& W2) in 3 phase power measurement, if the power factor is zero? S1M6-8
What is the maximum value of voltage for 240 volt RMS? S1M6-9
What is the formula for Reactive Power (Pr) in an AC circuit? S1M6-11
Calculate the impedance of the circuit $$\rm{R=5\Omega,~XL=36\Omega,~XC=24\Omega}$$ S1M6-12
What is the phase displacement in a single phase AC circuit? S1M6-13
What is the relation between the line voltage ($$\rm{V_L}$$) and phase voltage ($$\rm{V_p}$$) in star connected system? S1M6-14
Calculate the line current of the 3 phase 415V 50 HZ supply for the balanced load of 3000 watt at 0.8 power factor is connected in star S1M6-15
What is the power factor in a 3 phase power measurement of two wattmeters showing equal readings? S1M6-16
Calculate the power factor of coil having resistance of $$24~\Omega$$, draws the current of 5A, at 240V/ 50HZ AC supply S1M6-17
What is the formula to calculate the impedance (Z) of the R.L.C series circuit, if the inductive reactance $$\rm{(X_L)}$$ is less than capacitive reactance $$\rm{(X_C)}$$? S1M6-18
Calculate the power factor of R.L.C circuit having resistance (R) = $$15\Omega$$, resultant reactance (X) = $$20\Omega$$ connected across 240V /50Hz AC supply? S1M6-19
Calculate the value admittance (Y) of the RLC parallel circuit connected across 240volts/50Hz AC supply and 8 Amp. Current is passed through it ? S1M6-20
What is the formula to calculate the line current $$\rm{(I_L)}$$ of this single phase R – C parallel circuit? S1M6-21
How the low power factor (P.F) can be improved in AC circuits? S1M6-22
What is the relation between the line current $$\rm{(I_L)}$$ and phase current $$\rm{(I_P)}$$ in delta connected system? S1M6-24
What is the purpose of phase sequence meter? S1M6-25
Calculate the apparent power of a star connected 3 phase load, if it is connected across 3 phase 415volt/50Hz supply at 0.8 p.f and the phase current is 10 Amps. S1M6-26
What is the P.F if one of the wattmeters reading is zero and the other reads total power in 2 wattmeter method of 3 phase power measurement? S1M6-27
What is the formula for form factor(Kf)? S1M6-28
Which electrical term is defined as the total opposition to current in AC parallel circuit? S1M6-29
Which AC circuit contains the phase relation between voltage (V) and current (I)? S1M6-30
In a 3 phase system, if the active power is 4 kw and the apparent power is 5 KVA, calculate the reactive power? S1M6-31
In which condition resonance will occur in R-LC series circuit? S1M6-32
How will you obtain positive reading in the wattmeter reads negative reading during 3- phase two wattmeter method? S1M6-33
What is the form factor (Kf) for sinusoidal AC? S1M6-34
What is the reciprocal of inductance in AC parallel circuit? S1M6-35
What relationship is illustrated in between the current and voltage? S1M6-36
Calculate the total power by two wattmeter (W1 & W2) method, if one of the wattmeter (W2) reading is taken after reversing. S1M6-37
In which 3 phase system, the artificial neutral is required to measure the phase voltage? S1M6-38
What is the line voltage in 3 phase system if the phase voltage is 240V? S1M6-39
Which formula is used to calculate Form factor $$\rm{(K_f)}$$? S1M6-40
Which formula is used to calculate the impedance (z) of a RLC series circuit? S1M6-41
What is the power factor if one of the wattmeter gives negative reading in two wattmeter method of 3 phase power measurement? S1M6-42
What is the phase displacement between phases in a 3-phase circuit? S1M6-43
Which condition is called as resonance RLC circuit? S1M6-44
Which quantity is rotating at a constant angular velocity? S1M6-45
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