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A small sphere of charge +6×10^-6 C is suspended by a string of negligible mass. A charge of -9.0×10^-6 C is placed directly to the right of the sphere and 0.22m away from it. The string is deflected 5^0 from the vertical. Find the tension in the string.
a satellite of mass 200kg is displaced by a distance of 2re from a point on the earths surface,whwre re is the radius of the earth. calculate the work done on the satellite by the force of gravitation. take the valus of the constants in your calculation from the astrophysical data given in the course
A car of 700 kg moving with a velocity of 10 m/s. A motor bike of 120 kg also moving with same speed in the same direction lying behind 10 meter from the car. What is there collision velocity?
A 2.5 kΩ resistor dissipates 0.5 W. The energy by this resistor in 3 minutes is _________.
A 9.0 V battery supplies 1.4 A to a 6.0 Ω resistor. What is the terminal voltage of the battery?
An electrolytic capacitor is charged to 15 V when a constant current of 1.0 A is passed through it for 30 µs. What is the value of its capacitance?
Determine the total capacitance if a 30 pF capacitor is connected in series with 0.03µF capacitor.
What unit is the rate of flow of electrical charge and is measured in Coulomb per second.
Which diode approximation
a. treats a reverse-biased diode like an open switch with
zero current?
b. includes the high leakage resistance when the diode
is reverse-biased?
A 3000 kg elevator rises from rest in the basement to the floor. A distance of 25m . As it passes the fourth floor it's speed is 3 m/s . There's a constant frictional force of 500N. Calculate the work by the lifting mechanism?
