Post Test: Science G10 2Q Module 6
Quiz by Jerald U. Carilla
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- Q1
1. Which is/are TRUE about an electric motor?
I. It uses magnets to create a circular motion.
II. It uses magnets to create rotational motion.
III. It converts electrical energy into a mechanical one.
IV. It depends on the interaction of magnetic and electric fields.
I and II
II and IV
II and III
I and III
30s - Q2
2. An electric generator converts energy from _____________ to ________________.
electrical to mechanical
chemical to electrical
mechanical to electrical
electrical to chemical
30s - Q3
3. Which principle works with an electric motor and generator respectively?
electromagnetic induction and current-carrying conductor inducing a magnetic field
Faraday’s Law and Ampere’s Law
Fleming’s Right-Hand Rule and Electromagnetic induction
current-carrying conductor inducing a magnetic field and electromagnetic induction
30s - Q4
4. In which part of an electric motor is electric current supplied to create magnetic force?
stator
brushes
armature
commutator
30s - Q5
5. In which part of an electric generator is an electric current produced due to the induced electromotive force (emf)?
stator
armature
brushes
commutator
30s - Q6
6. Which part of an electric motor provides a magnetic field allowing the inner coil wire within to rotate as the electric current passes through?
terminal
field magnet
armature
brushes
30s - Q7
7. In which position an electric motor experiences a strong magnetic force?
30s - Q8
8. Which part of an electric generator induces voltage difference and converts direct current (DC) into an alternating one (AC)?
stator
armature
commutator
brushes
30s - Q9
9. According to Fleming’s Left-Hand Rule, a current-carrying wire receives no force of the magnetic field __________
parallel to the magnetic field.
at a right angle to the magnetic field
at an oblique position to the magnetic field.
at 45 degrees to the magnetic field.
30s - Q10
10. Which statements are TRUE?
I. Magnetic force is the push or pulls in a magnet.
II. Electric field is the region around an electric charge.
III. Magnetism is possible in a non-current carrying wire.
IV. Electric field is the push or pulls experienced by an object in an electric field.
II and III
I and II
III and IV
IV and I
30s
