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Electric Circuits
The 1000-turn, 0.4 m diameter coil of a generator is rotated at 120 rpm in a 0.038 T field. In order
to be able to measure the emf induced by the generator up to the maximum, a galvanometer of
10
to be able to measure the emf induced by the generator up to the maximum, a galvanometer of
10
Electric Circuits
A cylinder has a radius of 2.1 cm and a length of 8.8 cm. Total charge 6.1*10-7 C is distributed uniformly throughout. The volume charge density is:
Electric Circuits
Nno load voltage of power source is 220 volt.it provides power of 20 watt in a load.if current value is 0.4 ampere then maximum power supply of power source
Electric Circuits
no load voltage of power source is 220 volt.it provides power of 20 watt in a load.if current value is 0.4 ampere then maximum power supply of power source
Electric Circuits
Acapacitor is to be constructed to have a capacitance of 100µF. The area\ of the plates is 6.0mx0.030m and the relative permittivity of thedielectric is7.0.Find the necessary separation of the plates and the electric fieldbstrength if a potential difference of 12V is applied across the capacitor.
Electric Circuits
A resistor of resistance 100 ohm is connected to an AC source E = (12V)sin (250πs^-1)t. Find the energy dissipated as heat during t=0 to t=1ms
Electric Circuits
An RLC circuit has a resonant frequency of 48 Hz when the circuit capacitor has a capacitance of 32mF. If the capacitor is replaced by a 128-mF capacitor, the resonant frequency will be
Electric Circuits
Find the eletric power of an electrical circuit that consumes 120 joules for 20seconds
Electric Circuits
At the moment where we close the switch (t = 0), there is no charge on the
capacitor. C1 = 40μF and C2 = 60μF.
-diagram-
a) Find the intensity of the current in the battery when we close the switch.
b) Find the charge accumulated in capacitor C1 after 5 seconds.
capacitor. C1 = 40μF and C2 = 60μF.
-diagram-
a) Find the intensity of the current in the battery when we close the switch.
b) Find the charge accumulated in capacitor C1 after 5 seconds.
Electric Circuits
A charge of -2.790 μC is located at (2.925 m , 4.726 m ), and a charge of 1.460 μC is located at (-2.696 m , 0). There is one point on the line connecting these two charges where the potential is zero. Find this point. x,y= m
