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Electric Circuits
A 3 kg cart starting from rest on a frictionless surface is pulled by a horizontal mass-less rope with a constant force of 6 N. What is the acceleration of the cart, and how fast is it moving at the end of two seconds?
Electric Circuits
If a heavy vehicle such as a lorry slides gently into a car, a great deal of damage might be done to the car, even if the lorry is moving very slowly.
Electric Circuits
we use wood in the street electric wire to prevent sparking but when rain fall then woof became wet.at that time why sparking did not happen?
Electric Circuits
A 1.50 m wire is under a tension of 120 N. The wire is held rigidly at both ends and set into oscillation. The speed of waves on the wire is 145 m/s. Calculate the frequency (in Hz) of the wave that produces a two-loop standing wave.
Electric Circuits
you are given a sensitive moving coil galvanometer and two resistors. one resistor is of high value and other of low value. how would you make a volmeter and ammeter out of these? describe it giving essential details
Electric Circuits
Two 20 kiloOhms resistors (R1 and R2) are connected in series across a 100 volt supply. Calculate:
(a) The Voltage drop across the R1 resistor from nominal values:
(b) The voltage across the R1 resistor if measured using a digital voltmeter (internal resistance of 1 milliOhms)
(c) The voltage across the R1 resistor if measured using an analogue voltmeter (internal resistance of 20 kiloOhms)
(a) The Voltage drop across the R1 resistor from nominal values:
(b) The voltage across the R1 resistor if measured using a digital voltmeter (internal resistance of 1 milliOhms)
(c) The voltage across the R1 resistor if measured using an analogue voltmeter (internal resistance of 20 kiloOhms)
Electric Circuits
The load impedence of an open ended transmission line is less than 400 ohm. Is it true or false. give reason.
Electric Circuits
An analog triangular 1 KHz signal is sampled at 8 kbps. Braw the neceessary circuit and the output waveform. if peak signal amplitude is 4 mV.
Electric Circuits
In a radio transmitter an antenna of 100 ohm load resistance is to be connected to a power output stage. The supply voltage is 20 V. Design a matching circuit to deliver 5w RF output at 25 MHz
Electric Circuits
A solenoidal coil with 22 turns of wire is wound tightly around another coil with 340 turns. The inner solenoid is 21.0cm long and has a diameter of 2.50cm . At a certain time, the current in the inner solenoid is 0.110A and is increasing at a rate of 1800A/s . a) For this time, calculate the average magnetic flux through each turn of the inner solenoid. b.) For this time, calculate the mutual inductance of the two solenoids; c) For this time, calculate the emf induced in the outer solenoid by the changing current in the inner solenoid.
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#340153 on Dec 2023
#340153 on Dec 2023