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A Spherical conducting shell is placed in a time varying magnetic field,is there an electric field along the equator?
Two circular loops And B have their planes parallel to each other,loop A has a current moving on the counterclockwise direction viewed from above.
(a)if the current in the loop A decrease with time,what is the direction of the induced current in the loop B.will the two loops attract or repel each other?
(b)if the current in loop A increases with time,what is the direction of induced current in loop B?,will the two loops attract or repel each other?
At what temperature the saturation current will be the twice of the diode current when the contact potential
At what temperature the saturation current will be the twice of the diode current when the contact potential of the diode is x V. Assuming the diode is made by silicon material.
Find the solution of the diffusion equation in the base region where the diffusion length is .02 m and the distance between emitter depletion region and collector depletion region is 1 cm. Given that the hole concentration at the emitter depletion region is 100 cm-3 whereas the hole concentration at the collector depletion region can be neglected.
Design a project to determine the specifications (unstretched length) spring constant k as 100N/m for the elastic cord to be used at a bungee-jumping facility. Participants are to jump from a platform 45m above the ground. When they rebound, they must avoid an obstacle that extends 5 m below the point at which they jump. In determining the specifications for the cord, establish reasonable the safety limits for the minimum distances by which participants must avoid the ground and obstacle. Account for the fact that participants will have different weight. (Specify a maximum allowable weight for participants of 100kg, and Maximum height of 1.7m)
Two circular loops A and B have their planes parallel to each other.
Loop A has a current moving in the counter clockwise direction, viewed from above.
1. If the current in loop A decreases with time, what is the direction of the induced current in loop B? Will the two loops attract or repel each other?
2. If the current in loop A increases with time, What is the direction of the induced current in loop B? Will the two loops attract or repel each other?
A spherical conducting shell is placed in a time-varying magnetic field. Is there an induced current along the equator?
A spherical conducting shell is placed in a time-varying magnetic field. Is there an induced current along the equator?
Define DC and AC resistance of a diode. Find the DC and AC resistance at
15 μA.
#340153 on Dec 2023