The brushes on direct current machines are constructed of

Q: Copper brushes in D.C. machine are used where low voltage and high currents are involved where high…

A: This is a problem of dc machines. The solution is given in the next step

Q: in an electric circuits. Reluctance in a magnetic circuits corresponds to O Resistance Current O…

A: Reluctance:  Reluctance is the property of magnetic circuit which opposes the flow of magnetic flux…

Q: If the amplifier gain is tripled, the PLL open-loop gain will: Select your answer. also tripled…

A: The solution is given below

Q: B- compare ( in 5 point only) between a dArsonval move Electrodynamometer. a dArsonval movement…

A: In this question we need to write the difference between darsonval movement and electrodynamometer .

Q: Problem 5. Find the range of parameters g and r in which the circuits below are stable: a) о b) gVc…

A:

Q: In Wave winding of DC Machine the number of brush sets is equal to

A: In dc machine , depending upon the requirement machine is connected in lap or wave . depending on…

Q: what is the use of DC/DC tension converter DC/DC booster MT3608

A: Types of mostly used DC DC Converter Step up Converter ( Boost converter) Step Down Converter (…

Q: For the following functions: a. Find the required Fourier Series. b. Sketch the graph of the…

A: a) To find the required Fourier Series.b) To setch the graph of the function to which the series…

Q: 10. Determine the peak-to-peak ripple and de output voltages in Figure 5. The transformer has a 36 V…

A: Given circuit parameters: Supply voltage - 120 Vrms Wheat-stone full-wave rectifier Rsurge = 10 ohm…

Q: 0.5) A full-wave rectifier with L-C filter is shown in figure 3. If the resistance of the loa is…

A: According to the question we have to find the value of ripple factor.

Q: the line frequency is 60 Hz, the output frequency of a center-tapped transformer full-wave rectifier…

A:

Q: 2.5) A full-wave rectifier with L-C filter is shown in figure 3. If the resistance of the load is…

A: According to the question we have to find the value of ripple factor.

Q: calculate the Load current and Load voltage of the given figure

A:

Q: Find i in the network using superposition. 5Ω 10 Ω 2 A 5Ω 4Ω 20 V

A: This theorem is used to find current in any particular branch. To apply this minimum 2 sources are…

Q: b) A certain winding made up of copper has a resistance of 100 Q at room temperature. If resistance…

A:

Q: Consider the three long, straight, parallel wires placed in air shown in the figure below. D C G Io…

A: (a): Considering the wires C and D, the magnitude of current in wire C is 10A and the magnitude of…

Q: A wind turbine gives maximum output power of 1MW at a wind speed of 15m/s.  Choose the correct…

A: Question-    A wind turbine gives maximum output power of 1MW at a wind speed of…

Q: A snubber circuit has snubber time constant (10 msec), voltage source (10 kV), discharge current of…

A: Given data, Time constant,τ= 10 msec Voltage source V = 10 KV = 10000 V Discharging current is,…

Q: If a multiratio CT having 1505 CT ratio with 0.104 ohm secondary resistance and the excitation…

A: Given CT ratio = 150:5 secondary resistance = Zs =0.104 ohm Excitation current Ie =0.2 A I'=5 A…

Q: For the below circuit, find Req across the source in KO. 3 kn3 5 kn 4 kN 3 mA() 10 kn 3 7 kn3 Select…

A:

Q: types of electrodes in electric welding

A: Electrodes are used in order to join two metal pieces together by conducting the current through…

Q: Determine: the current and voltage across each load. Μ 35 V Μ 14 Ω 10 Ω 12 Ω < 18 Ω

A:

Q: How long does it take the system: 45 s+ 4.5 H(s) = to reach the value of 28.3 if the input is 4 u(t)…

A:

Q: Could some please provide an explanation for VL why 15 and 1.33

A:

Q: In a four-pole direct current machine

A: In a four-pole direct current(dc) machine, alternate poles are north and south.

Q: lain the operation of a full subtractor with necessary diagrams. What is the difference between half…

A: Full Subtractor : It is is a combinational circuit that perform subtractor it consist three bits. It…

Q: The principle operation of LVDT is based on the variation of Select one a. Self inductance b.…

A: Right Answer option C.Mutual Inductance

Q: Consider the following statements :A clamper circuit 1. adds or subtracts a dc voltage to a waveform…

A: A clamper circuit is consist of a capacitor diode and batteries ( dc level,)  If input is of any…

Q: The shunt conductance accounts for leakage currents flowing across O semiconductor O dielectric O…

A: The shunt conductance accounts for leakage currents flowing across...... Ans :- Insulators.…

Q: The PIV for the center tapped transformer rectifier is equal to 2 x Vm O 0.5 x Vm O 0.25 X Vm Vm

A: We need to select correct option for given statement

Q: Q4: CLO3, C4 for the emitter follower circuit given in figure 4. Perform AC analysis i-e determine…

A:

Q: A snubber circuit has snubber time constant (10 msec), voltage source (10 kV), discharge current of…

A: When a switching device is in it's reverse recovery states, various charge carriers recombine. This…

Q: A point charge, Q1 = 40µC, is located at P, (2,4, 6) in free space, while Q2 = -6µC is at P2(2,…

A: Two charges and coordinator of the charges given.  Find the force on the charge Q2.  Find the point…

Q: The compensating winding carrying the current parallel path armature current O field current O none…

A: Compensated winding in the DC machine is used to neutralize the armature reaction along the main…