Class 10 Online Courses

Class 10 physics Practice Tests


Class 10 Physics Online Tests

Transformer MCQ Quiz Online PDF Download

The Book Transformer Multiple Choice Questions (MCQ Quiz) with answers, transformer MCQ Quiz PDF download to study online 10th grade physics certificate courses. Solve Electromagnetism Multiple Choice Questions and Answers (MCQs), Transformer quiz answers PDF for virtual high school. The e-Book Transformer MCQ App Download: mutual induction, high voltage transmission, magnetic effects of steady current, transformer test prep for online study.

The MCQ: In a transformer, the primary coil is connected to PDF, "Transformer" App Download (Free) with alternating current (ac) source, direct current (dc) source, resistor, and inductor choices for virtual high school. Study electromagnetism quiz questions, download Amazon eBook (Free Sample) for high school graduation certificate.


Class 10 Physics MCQs: Transformer Quiz Questions PDF Download

MCQ: In a transformer, the primary coil is connected to

A) Alternating current (AC) source
B) Direct current (DC) source
C) resistor
D) inductor

MCQ: A transformer is designed to convert the voltage from 240 V a.c mains to 12 V, and has 4000 turns on its primary coil. The turns on its secondary coil should be

A) 100
B) 200
C) 120
D) 480

MCQ: In transformer the changing current in primary coil induces changing magnetic field in

A) resistor
B) inductor
C) insulator
D) secondary coil

MCQ: A transformer is designed to convert the voltage from 240 V a.c mains to 12 V, and has 4000 turns on its primary coil. If it is 100% efficient, and the current in the secondary coil was 0.4 A then the current in the primary coil should be

A) 0.08 A
B) 0.05 A
C) 0.02 A
D) 0.01 A

MCQ: If the secondary voltage is larger than the primary voltage, the transformer is called a

A) positive transformer
B) step-up transformer
C) negative transformer
D) step-down transformer

Practice Tests: Class 10 Physics Exam Prep

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