A 60 cycle alternating current has a maximum value of 40 amperes. It crosses the time axis in a positive direction when time is zero. Determine a. time when current first reaches a value of 20 amperes in 2nd time. B. time when current first reach a negative value of 30 amperes. C. the value of current when time is 1/120 sec.

Q: A coil of 100 turns has an inductance of 500 mH. If we pass a current of how many amperes through…

A: We have been given an coil with, Coil turns (N) = 100 turns   Inductance of coil (L) = 500 mH = 500…

Q: If the peak value of a certain sine wave voltage is 10 V, what is the peak-to-peak value? (a) 20 V…

A: Peak to peak voltage is nothing but the maximum possible voltage change during one complete of…

Q: If the peak value of a certain sine wave voltage is 10 V, what is the peak-to-peak value? (a) 20 V…

A: Peak value vm = 10 V We have to find the peak to peak voltage

Q: (f) A 10 kHz sine wave with a peak voltage of 7.5V is applied across a 1.5k resistor. Calculate the…

A: We need to find power dissipation for given resistor

Q: The polarity of an induced voltage is determined by (a) Lenz's law (c) the amount of current in the…

A: The polarity of an induced voltage is determined by Lenz's law

Q: How many turns are on a coil if a current of 1350mA produces a magnetic flux of 1.5mWb in a magnetic…

A: In this question we will find no of turns in coil ...

Q: 100 volts rms value triangular wave, the peak voltage will be (a) 100 V (b) 111 V (c) 141 V (d) 173…

A: We need to find out the peak value of triangular wave for given RMS Value .

Q: One motor has a speed of 1,800 revolutions per minute.  A second motor turns at 3,600 revolutions…

A: Speed of one motor = 1800 revolutions per minute(rpm)Speed of second motor = 3,600 revolutions per…

Q: HOW A MAGNETIC FIELD IS PRODUCED

A: The magnetic field is produced when an electrical charge is in motion or a magnetic field is…

Q: You will calculate the time constant for the circuit shown in the illustration below using Equation…

A: The circuit diagram,

Q: What is the current in the inductor ILO in continuity mode before opening the switch. 192 Select…

A: In the given R-L circuit, we need to determine the current through the inductor when the switch is…

Q: 5 Four inductors are connected in parallel, and they have the following values: L1=0.05 H,L2= 0.5 H,…

A:

Stability

Stability is the property or that power of any system which shows that whenever a certain load or force is applied to a system then it will come back to the equilibrium state or it will resist any kind of changes in the system. Any stable system shall remain in the same condition of stability for any amount of system of loads. To check or to finalize the stability of the system, types of loads and the point of application are neglected or are not considered.