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When 10V, DC is applied across a coil current through it is `2.5 A,` if `10V, 50 Hz A.C.` is applied current reduces to 2 A. Calculate reactance of the

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Find out the impedance of given

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Find out impedance of given

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Calculate impedance of the given circuit

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Calculate impedance of the given circuit :

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Calculate impedance of the given circuit :

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For what frequency the voltage across the resistance R will be

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A capacitor, a resistor and a 40 mH inductor are connected in series to an 60Hz AC source of frequency 60Hz, calculate the capacitance of the capacitor, if the current is in phase with the voltage. Also calculate the value of X and

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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A coil, a capacitor and an A.C. source of rms voltage 24 V are connected in series, By varying the frequency of the source, a maximum rms current 6 A is observed, If this coil is connected to a bettery of emf 12 V, and internal resistance `4Omega` , then calculate the current through the

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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Radio receiver recives a message at 300m band, If the available inductance is 1 mH, then calculate required

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If power factor of a R-L series circuit is `1/2` when applied voltage is `V = 100 sin 100pit` volt and resistance of circuit is `200Omega` then calculate the inductance of the

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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A circuit consisting of an inductance and a resistacne joined to a 200 volt supply (A.C.). It draws a current of 10 ampere. If the power used in the circuit is 1500 watt. Calculate the wattless

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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A choke coil and a resistance are connected in series in an a.c circuit and a potential of 130 volt is applied to the circuit. If the potential across the resistance is 50 V. What would be the potential difference across the choke

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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An LC circuit contains a 20mH inductor and a `50muF` capacitor with an initial charge of 10mC. The resistance of the circuit is negligible. Let the instant the circuit is closed to be `t = 0.`What is the total energy stored

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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An LC circuit contains a 20mH inductor and a `50muF` capacitor with an initial charge of 10mC. The resistance of the circuit is negligible. Let the instant the circuit is closed to be `t = 0.`What is the natural frequency of the

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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An LC circuit contains a 20mH inductor and a `50muF` capacitor with an initial charge of 10mC. The resistance of the circuit is negligible. Let the instant the circuit is closed to be `t = 0.`At what time is the energy stored is completely

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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An LC circuit contains a 20mH inductor and a `50muF` capacitor with an initial charge of 10mC. The resistance of the circuit is negligible. Let the instant the circuit is closed to be `t = 0.`At what times is the total energy shared equally between inductor and the

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For the given

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A periodic voltage V varies with time t as shown in the figure. T is the time period. The r.m.s. value of the voltage is

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The potential difference V and current I flowing through the AC circuit is given by `V=5 cos(omegat –pi/6)` volt `and I = 10sinomegat` ampere. The average power dissipated in the circuit

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