Physics question and answers for November 18, 2023
- Q 59 The current flowing in a wire fluctuates sinusoidally as shown in the diagram The root mean square value of the current is i A 210 io Cari 2 1...
- Q 5 A sinusoidal voltage of peak value 293 V and frequency 50 Hz is applied to a series LCR circuit in which R 62 L 25 mH and C 750...
- Q 42 A 100 F capacitor in series with a 40 92 resistor is connected to a 100 V 60 Hz supply The maximum current in the circuit is a 2...
- Q 37 A circuit containing a 2022 resistor and 0 1 F capacitor in series is connected to 230 V ac supply of angular frequency 100 rad s The impedance of...
- Q a 7 0 2 b 8 92 c 9 92 d 10 02 7 A pure resistive circuit element X when connected to an ac supply of peak voltage 200...
- Q 27 A coil of inductance 1 H and negligible resistance is connected to a source of supply whose voltage is given by V 4 Volt If the voltage is applied...
- Q PPLIED TO A SERIES LCR CIRCUIT 35 In the circuit shown in figure what will be the reading of the voltmeter 100V 100 V rom I 200 V 100 Hz...
- Q 9 In a series LCR circuit the voltage across an inductor capacitor and resistor are 20 V 20 V and 40 V respectively The phase difference between the applied voltage...
- Q In an L C circuit oscillations of energy E is sustained The capacitor plates are now slowly drawn apart to increase the oscillation frequency three times The work done in...
- Q c 1 294 27 Phase difference between voltage and current in a capacitor in an ac circuit is b x 2 a d 1 3 alternating current circuit consisting of...
- Q Ercuit 19 An ideal inductor is in turn put across 220 V 50 Hz and 220 V 100 Hz supplies The current flowing through it in the two cases will...
- Q c d Only inductor A 30 F capacitor is connected to a 150 V 60 Hz ac supply The rms value of current in the circuit is a 17 A...
- Q halved d zero 4 Which of the following graphs represents the correct variation of capacitive reactance X with frequencyu Xc a c xc U b d h U U a...
- Q supply The rms value of the current in the circuit is a 12 8 A b 13 6 A c 15 9 A d 19 5 A AC VOLTAGE APPLIED...
- Q 2 A 44 mH inductor is connected to 220 V 50 Hz ac supply The rms value of the current in the circuit is a 12 8 A b 13...
- Q 30 A 60 F capacitor is connected to a 110 V rms 60 Hz ac supply The rms value of current in the circuit is a 1 49 A c...
- Q 21 Which of the following graphs represents the correct variation of inductive reactance X with frequency a c X D b d 29 200 31
- Q vii An inductor with an inductance of 2 5H and a resistance of 802 is connected to the terminals of a battery with an EMF 6V and negligible internal resistance...
- Q c SH SH d 7 H 3 H 91 Two inductors of inductance Leach are connected in series with opposite magnetic fluxes The resultant inductance is Ignore mutual inductance a...
- Q A two machine power system is shown below Transmission line xy has positive sequence impedance of z Q and zero sequence impedance of zo Q X Tel a phase to...
- Q To 10 10 5 The root mean square value of voltage if an alternating safe va faxa e esinut ecosant fa voltage is given by e e sinet e cosmt...
- Q II Reading in V is ahead in phase with reading in 1 III Readings in A and V are always in phase Which of these statements is are correct 1...
- Q 32 For a domestic AC supply of 220 V at 50 cycles per second the potential difference between the terminals of a two pin electric outlet in a room is...
- Q P Q R List l Qo HH Qo ww Initial charge on capacitor 0 60000000 www Initial current in inductor i List II Time constant is the time in 1...
- Q An ideal battery is connected to a resistor and an ideal inductor as shown Considering stead state A EMF across inductor is equal to emf across battery B Potential difference...
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