Lesson: Chapter - 16

Practice Questions
1. A bar magnet is moving downward, south pole first, toward a loop of wire. Which of the following best describes the current induced in the wire?

(A) Clockwise, as viewed from above

(B) Counterclockwise, as viewed from above

(C) The current alternates

(D) There is no current induced in the wire

(E) The direction of the current cannot be determined from the information given here

2. A bar of length 2 cm slides along metal rails at a speed of 1 cm/s. The bar and rails are in a magnetic field of 2 T, pointing out of the page. What is the induced emf in the bar and rails?
(A) 2 × 10-5V
(B) 2 × 10-4V
(C) 4× 10-4V
(D)  2 × 10-3V
(E) 4 × 10-3V
3. A wire in the shape of an equilateral triangle with sides of length 1.00 m sits in a magnetic field of 2.00 T, pointing to the right. What is the magnitude of the magnetic flux through the triangle?
(A) 0 Wb
(B) 1.00 Wb
(C) 1.73 Wb
(D) 2.00 Wb
(E) 3.46 Wb


4. A device that transforms mechanical energy into electrical energy is called a:

(A) Transformer

(B) Inductor

(C) Motor

(D) Galvanometer

(E) Generator


5. A wire carrying 5.0 V is applied to a transformer. The primary coil has 5 turns and the secondary coil has 10 turns. What is the emf induced in the secondary coil?

(A) 0.50 V

(B) 5.0 V

(C) 10 V

(D) 50 V

(E) 100 V
Back Next

Next to display next topic in the chapter.

Practice Questions

Video Lessons and 10 Fully Explained Grand Tests

Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.

SAT Reasoning GRE General GMAT Test
More for You
MCQ with question Explanations Scholarships and Financial Aid

NTS GAT General Preparation

Prepare NTS GAT General paper-base and online

Argument Analysis

Learn to have higher score in writing section Argument Analysis

Mathematics for Test Preparation

Lessons with Practice questions -MCQs for Mathematics for Test preparation

All in this Category

You may be interested in

PAF College Sargodha

Admission detail for admission in P ...

PAF College Lower Topa

How to get admission in PAF College ...

Scholarships News

Have scholarship and Financial Aid ...

UK Visa for International students

How you can get UK Visa for Interna ...

GRE Physics

Find what is GRE Physics and how to ...

ISSB Psychological Situation Tests

How to learn about ISSB Psychologic ...

UET - BSc Engineering

University of Engineering and Techn ...

Universities in Faisalabad

Universities in city of Faisalabad ...

About us

EntryTest.com is a test preparation service for students seeking successful career.

About Disclaimer

Quick Test Prep

NUST NET IBA Karachi SAT LUMS LCAT LSE

 

NTS GAT NTS NAT GMAT GRE ACT

Study Abroad

Education Abroad Business Schools MS in USA