Q1PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
Which of the following statement
regarding transformer is incorrect?
Physics · JEE
Online Practice: AC generator and transformer for JEE
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Sharpen your physics preparation with interactive online practice for AC generator and transformer. Goodmarks offers 20+ JEE-style MCQs mapped to the official syllabus, each with detailed explanations so you learn from every attempt.
Syllabus context
Part of Electromagnetic Induction and Alternating Currents in JEE Main Physics.
- Electromagnetic induction: Faraday's law, induced emf and current, Lenz's law, eddy currents, self and mutual inductance
- Alternating currents, peak and RMS value of alternating current/voltage
- Reactance and impedance, LCR series circuit, resonance, power in AC circuits, wattless current
- AC generator and transformer
Free sample questions
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Q2PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
The input AC voltage to the transformer
is and output is . Then:
Q3PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
Assertion (A): More the turns more is
the
resistance
Reason(R): Impedance of primary and secondary in a transformer is directly proportional
to number
of turns in the coils.
Q4PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
Which of the following will not increase voltage in a simple generator?
Q5PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
The output power in step-up transformer used in practice is
Q6PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
The device which converts the
mechanical energy in to electric energy is
Q7PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
A step-up transformer of turns ratio 2: 1 has AC voltage applied to primary The frequency of AC output voltage across secondary is :
Q8PhysicsUnit 14: Electromagnetic Induction and Alternating Currents
What do we name the device which
increases the emf?
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Popular questions in AC generator and transformer
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