Question 1

Which of the following statements about electricity flowing through a circuit can be correctly derived from Ohm’s law?

Options :

A : Increasing the voltage decreases the current if the resistance remains unchanged.

B : Increasing the current and the resistance decreases the voltage

C : Increasing the current increases the voltage if the resistance is uncharged.

D : Decreasing the resistance increases the current if the voltage remains uncharged

Answer: C

Question 2

Which of the following gives the correct order of electromagnetic radiation from the lowest frequency to the highest frequency?

Options :

A : microwaves, UHF radio waves, x-rays, visible light

B : UHF radio waves, microwaves, visible light, x-rays

C : microwaves, visible light, x-rays, UHF radio waves

D : microwaves, x-rays, visible light, UHF radio waves

Answer: B

Question 3

A charged particle is traveling to the right with its magnetic field coming into the page (or screen). Which

direction does its force face?

Options :

A : Out of the page

B :

Into the page

C : Left

D : Right

E : Up

Answer: A

Question 4

Multiply 3 1/4 x 8/18.

Options :

A : 1/3

B : 3 1/9

C : 1/13

D : 1 4/9

Answer: D

Question 5

In a strenuously exercising muscle, NADH begins to accumulate in high concentration. Which of the

following metabolic process will be activated to reduce the concentration of NADH?

Options :

A : Glycolysis

B : The Krebs cycle

C : Lactic acid fermentation

D : Oxidative phosphorylation

E : Acetyl CoA synthesis

Answer: C