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Electric Circuits
What will happen to the current with 5 VRMS and 0.22F connected in series as frequency increases?
Electric Circuits
A coil of annealed copper wire has 820 turns, the average length of which is 9 in. If the diameter of the wire is 32 mils, calculate the total resistance of the coil at 20 degree celsius.
Electric Circuits
What is depletion region in case of a p-n junction? Explain the origin of junction barrier
potential. Discuss its dependence on the applied voltage, carrier concentration and type
of semiconductor.
Electric Circuits
A battery of emf 24v and internal resistance r is connected to a circuit having two parallel resistors of 3 Ohms and 6 Ohms in series with an I ohm resistor. Consider the current flowing in the 3 Ohms resistor is 0.8A, calculate the current in the 6 Ohms resistor.
Electric Circuits
A battery of emf 24v and internal resistance r is connected to a circuit having two parallel resistors of 3 Ohms and 6 Ohms in series with an I ohm resistor. Consider the current flowing in the 3 Ohms resistor is 0.8A, calculate the current in the 6 Ohms resistor.
Electric Circuits
A 50pF parallel-plate capacitor with an air gap between the plates is connected to a 50V battery. A Teflon(k=2)slab is then inserted between the plates and completely fills the gap.Then the battery is disconnected. What is the new potential difference?
Electric Circuits
For a circuit with 100 microfarad capacitor in series with 25 ohm resistor, what would be the approximate voltage drop across the capacitor if the series voltage was 45 volts and 60 Hz?
Electric Circuits
What is the peak value of voltage( rounded off to the nearest whole number) that's 120 volts RMS?
Electric Circuits
What is the total impedance of a circuit with a 20 ohm resistor, a 50 ohm capacitive reactance, 30 ohm inductive reactance in parallel?
Electric Circuits
A circuit has two resistances in series: 42 ohm and 14 ohm. If the current in the current is 0.5 amperes, what's the voltage drop across the 42 ohm resistor?
