Name three factors that determine the amount of induced voltage in a coil.
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Q: Two identical coils X and Y of 500 turns each lie in parallel planes such that 80% of flux produced…
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7. Name three factors that determine the amount of induced voltage in a coil.
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- A 120-V-rms 60-Hz sinusoidal voltage appears across a 500-turn coil. Determine the peak and rms values of the flux linking the coil.1) What is the relationship between the voltage in the coil and the current in the coil, what is the name of this parameter and what is its unit, and what is the inverse of this parameter and what is its unit?1. A coil has 500 turns and a reactance of 60 ohms but negligible resistance. If it is connected to a 120 V, 60 Hz source. Calculate the following: a. The effective value of the magnetizing current, b. The peak value of lo C. The peak mmt produced by the coil. d. the peak flux
- The self inductance of a coil is a. Inversely proportional to current b. Inversely proportional to flux c. Inversely proportional to number of turns d. Directly proportional to currentA coil connected in series with a resistance are supplied from a 240 volts 60 Hz source draw 1.0 ampere current. The voltage across the series resistance and across the coil are both equal to 160 volts. Find the value of coil resistance.State the Method of connection of different field coils. ( In DC Machines )
- Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. The coil of a generator has an equivalent resistance of 1.5 ohms at 20 °C. After being used for several hours, the resistance is found to be 1.75 ohms. Determine the temperature of the coils at this time. The temperature coefficient of resistance at 0 °C of the coil is 0.004 OC-1.21. For direct current (dc), a capacitor acts like (a) a closed switch. (b) an open. (c) a short. (d) a small resistance.ii) An emf, 2.5kV induced in a coil when a current of 2.75A collapses uniformly to 1.7SA in 4ms. Determine the flux induced in the coil in Webber-turns.
- Q9 / What are the function of brushes , pole and commutator in DC machineThe polarity markings on two coils are to be determined experimentally. The experimental setup is shown. Assume that the terminal connected to the positive terminal of the battery has been given a polarity mark as shown. When the switch is opened, the dc voltmeter kicks downscale. Where should the polarity mark be placed on the coil connected to the voltmeter?Find value of voltage induced in a coil. if a coil has 780 turns and a constant flux of 7mWb and a changing flux of 13mWb.