Chapter 27 – Alternating Current
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What is the value of inductance L for which the current is maximum in a series LCR circuit with C= 10 μF and ω =1000 S^-1
19
Aug
What is the value of inductance L for which the current is maximum in a series LCR circuit with C= 10 μF and ω =1000 S^-1 What is the value of inductance L for which the current is maximum in a series LCR circuit with C= 10 μF and ω =1000 S^-1 August 19, 2020 [...]
Which of the following combinations should be selected for better turning of an L-C-R circuit used for communication ?
19
Aug
Which of the following combinations should be selected for better turning of an L-C-R circuit used for communication ? Which of the following combinations should be selected for better turning of an L-C-R circuit used for communication ? August 19, 2020 Category: Chapter 27 - Alternating Current , NEET Last 32 Years Solved 1988 - [...]
Figure shows a circuit that contains three identical resistors with resistance R=9.0 Ω each, two identical inductors with inductance L=2.0 mH each, and an ideal battery with emfε=18 V. The current ‘i’ through the battery just after the switch closed is, ….
19
Aug
Figure shows a circuit that contains three identical resistors with resistance R=9.0 Ω each, two identical inductors with inductance L=2.0 mH each, and an ideal battery with emfε=18 V. The current ‘i’ through the battery just after the switch closed is, …. and an ideal battery with emfε=18 V. The current 'i' through the battery [...]
In the given circuit the reading of voltmeter V1 and V2 are 300 volts each. The reading of the voltmeter V3 and ammeter A are respectively
19
Aug
In the given circuit the reading of voltmeter V1 and V2 are 300 volts each. The reading of the voltmeter V3 and ammeter A are respectively In the given circuit the reading of voltmeter V1 and V2 are 300 volts each. The reading of the voltmeter V3 and ammeter A are respectively August 19, 2020 [...]
In an ac circuit an alternating voltage e =200√2 sin 100 t V is connected to a capacitor of capacity 1μF.The rms value of the current in the circuit is
19
Aug
In an ac circuit an alternating voltage e =200√2 sin 100 t V is connected to a capacitor of capacity 1μF.The rms value of the current in the circuit is In an ac circuit an alternating voltage e =200√2 sin 100 t V is connected to a capacitor of capacity 1μF.The rms value of the [...]
The time constant of C – R circuit is
12
Aug
The time constant of C – R circuit is The time constant of C - R circuit is August 12, 2020 Category: Chapter 27 - Alternating Current , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an AC supply of 20 V – 50 Hz. The secondary will have an output of
12
Aug
The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an AC supply of 20 V – 50 Hz. The secondary will have an output of The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an [...]
A step up transformer operates on a 230V line and a load current of 2 ampere. The ratio of the primary and secondary winding is 1:25 . What is the current in the primary?
12
Aug
A step up transformer operates on a 230V line and a load current of 2 ampere. The ratio of the primary and secondary winding is 1:25 . What is the current in the primary? A step up transformer operates on a 230V line and a load current of 2 ampere. The ratio of the primary [...]
In an AC circuit with voltage V and current i the power dissipated is
12
Aug
In an AC circuit with voltage V and current i the power dissipated is In an AC circuit with voltage V and current i the power dissipated is August 12, 2020 Category: Chapter 27 - Alternating Current , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
An LCR series circuit is connected to a source of alternating current. At resonance, the applied voltage and the current flowing through the circuit will have a phase difference of
12
Aug
An LCR series circuit is connected to a source of alternating current. At resonance, the applied voltage and the current flowing through the circuit will have a phase difference of An LCR series circuit is connected to a source of alternating current. At resonance the applied voltage and the current flowing through the circuit will [...]