For a cell terminal potential difference is 2.2V when circuit is open and reduces to 1.8 V when cell is connected to a resistance of R = 5 Q. Determine internal resistance of cell (r).
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- It is required to grade a string having seven suspension insulators. If the pin to earth capacitance are all equal to C, determine the line to pin capacitance that would give the same voltage across each insulator (C1, C2, …….C6) of the string.A 30-Wp SHS has a charging current of 1.7A at 1000 W/m2 irradiance. When the irradiance is decreased to 800W/m?, how much charging current is expected?Consider the circuit below. Point b is grounded(potential=0). Determine the potential at a. Two resistors of cylindrical shape, A & B, made from the same material. The length of resistor A is twice that of resistor B. The diameter of B is half that of A. Determine the ratio of Resistance of A/Resistance of B.
- (1) Find equation of current if charge q(t) = 5t2+10t+10. Also find value of current at t = 1sec. (2) What is value of capacitance if charge on capacitor is 20(micro C) and voltage is 10(Volt).A string of 4 insulators has self-capacitance equal to 4 times the pin to earthcapacitance. Calculate the voltage distribution across various units as apercentage of total voltage across the string and string efficiency.Determine the values of resistance R and inductance L
- Question 3 The number of carriers reaches a maximum at an energy close to the edges of the two bands (Conduction and Valence). Find the expression for the energy where the number of carriers reaches a maximum (in terms of conduction and valence band energies) keeping in consideration non-degeneracy..Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this line FastFind the concentration of electrons & holes in (a) N-type Si at 300K, if the conductivity is 300(0.cm)^-1. (b) Also find these values for P-type Si. Given ni=1.5x10^12 /Cm^3, un31200 * .Cm2/V.sec & pp3D400Cm^2/V.secThe resistance of copper wire with alpha = 0.00393/Co at 20oC is 129 Ω. At 78 oC, its resistance would be about ___.
- A copper (Cu) wire with a radius of 4 mm is connected to the end with an aluminum (Al) wire with a radius of 2 mm. Since a current of 20π milliamperes (mA) flows through the wires, which of the following is the current density in each wire correctly?A coil of aluminum wire has a resistance of 50Ω when its temperature is 0°C. Determine its resistance, in ohms, at 100°C if the temperature coefficient of resistance of aluminum at 0°C is 0.0038/°C.Show complete and detailed solution. Explain answer. A decaying emf E = 200e-5t connected in series with a 20 ohm resistor and 0.01 farad capacitor. Assuming Q = 0 at t = 0, plot the charge and current as a function of time. Show that the charge reaches a maximum, calculate it and find when it is reached.