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A capacitor is charged with 9.6nC and has a 120v potential difference between it's terminals. Compute it's capacitance and energy stored in it


the circuit below consists of a d.c supply of e.m.f of 45V and negligible internal resistance and three resistors. two of the resistors have resistances of 1000Ω and 750Ω as shown. the current drawn from the supply is 0.030A. Calculate the resistance of R



The electric potential at the surface of a charged sphere is 10 V at its surface. Find the value of potential and electric field at its centre
List the various components of a DC circuit
Sketch:
i. The voltage diagram for a RLC and LC circuit
ii. Current - voltage relation for a purely resistive circuit.
What is an electrical resonance ? State it's real daily life application
1. Define the following:
i. Electric current
Ii. Voltage
iii. Power

2. Derive an expression relating them, state the instrument for the measurement of each
What advantages do semiconductor devices offered compared to other materials?
What is electric filters? Give examples
1. How will one classify an electrical material as
I. conductor
II. Semiconductor
III. Insulator
Using the energy bandgap theory.

2. List three examples of each of the material (I-III)