A 20 V, 750 Hz source us connected to a series combination of `R = 100 Omega, C = 10 mu F` and `L = 0.1803 H`. Calculate the time in which resistance will get heated by `10^(@) C`, if thermal capacity of the material `= 2 J//.^(@)C`

A 100 V, 50 Hz a.c. source is connected to a series combination of an inductance of 100 mH and a resistance of 20 Omega Calculate the magnitude and phase of the current.

A 750 Hz, 20 V source is connected to as resistance of 100 Omega an inductance of 0.1803 H and a capacitance of 10 muF all in sereis.Calculate the time in which the resistance (thermalcapacity 2J//.^(@)C ) wil get heated by 10^(@)C .

A 750 Hz, 20 V source is connected to a resistance of 1000 ohm an inducatance of 0.1803 H and capacitance of 10microF all in series.Calculate time in which resistance (thermal capacity 2 J/degC will get heated by 10 deg C (Ignore radiation)

A 200 V varialbe frequency a.c. source is connected to a series combination the angular C = 80 mu F and R = 40 Omega . Calculate the angular frequency of the soucre to get maximum current in the cicuit, the current amplitude at resonance and power dissipated in the circuit.

A 750 Hz,20 V source is connected to a resistance of 100 Omega , a capacitance of 1.0 muF and an inductance of 0.18 H in series.Calculate the following quantities: (a)Impedence of the circuit (b)Draw an impedence diagram with suitable scale ( c)Power factor (d)The time in which the resistance will get heated by 10^(@)C , provided that the thermal capacity of resistance = 2 J//^(@)C

A 2000 Hz, 20 volt source is connected to a resistance of 20 ohm, an inductance of 0.125//pi H and a capacitance of 500/pi nF all in series. Calculate the time (in seconds) in which the resistance ("thermal capacity"=100 "joule"/.^(@)C) will get heated by 10^(@)C . (Assume no loss of heat)

" In a series circuit "R=300Omega,L=0.9H,C=2.0 mu F" and "omega=1000rad/sec" ,The impendence of the circuit is "