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1) A metal sphere carries a charge 5*10^-9C and is at potential 0f 400V, relative to the potential far away. the potential at the center of the sphere is:
2) A 5cm radius isolated conducting sphere is charged so its potential is +100V relative to the potential far away. The charge density on the surface is:
3) A conductinf sphere has charge Q and its electric potential is V, relative to the potential far away. the charge is doubled to 2Q, the potential is:
4) The potential difference between its ends of a 2m stick that is parallel to a uniorm electric field is 400V. The magnitude of the electric field is:
5) The work required to carry a particle with charge of 6C from 5V eqipotential surface to a 6V eqipotential surface and back again to the 5V surface is:
1. express the following operatorsj j2 j3 a a2 a3 -a2 -a in rectangular form and sketch the operators in the complex
Design a circuit that can perform BCD addition on two decimal digits. You don't have to design any of the major components you may use (such as adders, comparators, etc.). Assume all those components are available.
A candidate material for a turbine blade application oxidizes by diffusion of metal atoms through the oxide to the metal surface, where metal and oxygen react to form the oxide. After 10 hours at 550*C, an oxide layer 8µm thick has formed.
Design a square wave generator that will provide a 4kHz square wave with a positive peak vlaue of +10V and negative peak value of -10V. You may use any number of op amps, resistors, and capacitors in this design.
Load 1: Wye-connected load that consumes atotal 3-phase power of 3.6 kW at 0.8 power factor lag, when the generator voltage is set so that the voltage at the load is 480volts line-to-line. Load 2: Delta connected load that consumes 2kW+ j1 KVAR of..
d^2y/dt^2 - 6dy/dt +36y(t)=25 dx/dt find the zero input response of the system given y(0)=1 and dy/dt when t=0 = -3 find the Laplace system function, H(s) for the system described by equation Equqtion.
A 4 to 20mA control signal is loaded by a 100Ohm resistor and must produce a 20 to 40V motor drive signal. Develop the equation relating the input current to the output voltage.
design and isolate your circuit by use of transformer at the input, Select suitable and standard diodes in your design , Inyour design assume a 1V peak ripple across the filleting capacitor.After the completion of your design, simulate your circui..
A CB amplifier is operating with RL = 10kΩ, Rc = 10kΩ, and Rsig =100Ω. At what current Ic should the transistor be biased for the input resistance Rin to equal that of the signal source. What is the resulting overall voltage gain. Assume α ≈ 1
Single pole amp. has an open loop gain 10^6 and open loop bandwidth of 10Hz. If the feedback factor =1, calculate the gain and bandwidth after the feedback
What is the current in Ammeter in this Basic Electric Circuit Diagram?
Basics problems of Induction motor, The frequency of the induced rotor currents in the rotor of a 60 Hz induction, machine is 2 Hz. Furthermore, the fields in the air gap turn at -40 rpm with respect to the rotor.
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