a)b)Define the mutual inductance between two coils not electrically connected.Coils A and B are magnetically coupled. Coil A has a self-inductance of 0.30 H and300 turns, and coil B has a self-inductance of 0.20 H and 120 turns. A change offlux of 8 mWb occurs in coil B when a current of 3A is reversed in coil A.Determine:i. The mutual inductance between the coils, andii.The coefficient of coupling.CS Scanned with CamScanner

a) If two coils which are not electrically connected having self inductances L1 and L2 respectively…

Answered: a) b) Define the mutual inductance…

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter21: Resistive-capacitive Series Circuits

Section: Chapter Questions

Problem 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...

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A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating of 600 WVDC. The capacitor and resistor are connected to a 480-V, 60-Hz circuit. Is the voltage rating of the capacitor sufficient for this connection?
1. A purely resistive circuit the current is leading by 90° with respect to voltage. 2. A purely inductive circuit the current is lag behind the voltage by 90°. 3. A purely capacitive circuit the current is lead by 90° with respect to the voltage. 4. A capacitor element stored magnetic energy. 5. An inductor element stored electrical energy. 6. Resistor elements consume power. 7. Angle between current and voltage is called power. 8. The power factor angle for a purely resistive is zero. 9. The power factor angle for a purely inductive load is -90°. 10. The power factor of a purely capacitive is leading.
Inductance
An inductor is constructed by winding a coil of 100 turns around a magnetic core. The core is a cylinder with radius 0.5 cm and the core material has relative permeability of 1000. The coil covers a length of 10 cm. Determine the resulting inductance. Enter your answer in mH rounded to two decimal places.
If the resistors used for charging and discharging were the same, the charging anddischarging waveform would be ________.a. Symmetricalb. Nonsymmetrical
A and B are two coils in close proximity. A has 1200 turns and B has 1000 turns. When a current of 0.8A flows in coil A a flux of 100 µWb links with coil A and 75% of this flux links coil B. Determine the self inductance of coil A, and the mutual inductance.
An iron core 0.4 m long and 5 cm2is wound with 300 turns. When a current of 0.5A flows in the coil, how much is the inductance of the coil. Assume the core has a permeability of 2500.
An inductance coil consumes 500W of power at 10A and 110V and 60HZ. Determine the resistance and the inductance of the coil
A coil of inductance 50 mH and resistance 5 ohm is connected to a 110V, d.c. supply. Determine the final value of current, the value of current after 4 ms, the value of the voltage across the resistor after 6 ms, the value of the voltage across the inductance after 6 ms, and the time when the current reaches 15A.
Problem 1 A coil with an air core measures 3" in length with 300 turns of ½" diameter. Find the inductance with the air core and compare it to the inductance with metallic core inserted. The metallic core has a relative permeability of 1600.
A and B are two coils close. A has 1200 turns, and B has 1000 turns. When a current of 0.8A flows in coil A, a flux of 100 µWb links with coil A, and 75% of this flux links coil B. Determine the self-inductance of coil A and the mutual inductance.
A resistor R and a capacitor C are connected in series across a 400 V variable ac supply. When the frequency is 40 Hz, it draws 10 A current, and when the frequency is 50 Hz, it draws 15 A current. Find R and C.

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