GEN. PHYSICS 2 - Summative Test 1

1. Which of the following factors affect the EMF produced in Faraday's experiment?

• A. Changing magnetic field

• B. Changing environment

• C. Number of loops

• D. Options a and c

2. 2. The induced emf is calculated according to Faraday's law using what equation?

3. 3. Which is NOT a parameter that affects the varying values of magnetic flux?

• A. Number of loops

• B. Magnetic field intensity

• C. Coil area

• D. Angle formed bet B and loop

4. 5. As application of Faraday's law, which principle operates in using a kitchen hob?

• A. Thermal conduction

• B. Microwave radiation

• C. EM induction

• D. Electrical hotplate

5. 5. Which of the following factors affects causes the change in the induced EMF or in LED's intensity ?

• A. Alternating current on the hob

• B. Changing angle between the loop and the magnetic field

• C. Increasing loop's distance from the hob

• D. Steadying the position of the loop