Quiz about RI 5.8

Question 1

This instrument is used to measure

Accepted Answer

voltage

Answer

electric current

Answer

resistance

Question 2

Using Ohm's Law Triangle, what is the formula to calculate the voltage, V?

Accepted Answer

$$V\ =\ I\ imes R$$

Answer

$$V\ =\ \frac{I}{R}$$

Answer

$$V\ =\ \frac{R}{I}$$

Question 3

Using Ohm's Law Triangle, what is the formula to calculate the current, I?

Accepted Answer

$$I\ =\ \frac{V}{R}$$

Answer

$$I\ =\ V\ imes\ R$$

Answer

$$I\ =\ \frac{R}{V}$$

Question 4

Using Ohm's Law Triangle, what is the formula to calculate the resistance, R?

Accepted Answer

$$R\ =\ \frac{V}{I}$$

Answer

$$R\ =\ \frac{I}{V}$$

Answer

$$R\ =\ V\ imes\ I$$

Question 5

Current is...

Accepted Answer

moving electrons

Answer

moving protons

Answer

measured in volts

Answer

measured in ohms

Question 6

Resistance is...

Accepted Answer

what "slows down" electrons

Answer

what "speeds up" electrons

Answer

moving electrons

Answer

what "pushes" electrons

Question 7

What is the primary function of the mitochondria in a cell?

Accepted Answer

Energy production

Answer

Protein synthesis

Answer

DNA replication

Answer

Photosynthesis

Question 8

Which of the following elements is a noble gas?

Accepted Answer

Helium

Answer

Oxygen

Answer

Nitrogen

Answer

Carbon

Question 9

What is the chemical formula for water?

Accepted Answer

$$H_2O$$

Answer

$$CO_2$$

Answer

$$O_2$$

Answer

$$H_2SO_4$$

Question 10

Which law explains the relationship between the pressure and volume of a gas at constant temperature?

Accepted Answer

Boyle's Law

Answer

Charles's Law

Answer

Avogadro's Law

Answer

Newton's Law

Question 11

What is the process by which plants make their food using sunlight?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Transpiration

Answer

Fermentation

Question 12

Which part of the atom contains protons and neutrons?

Accepted Answer

Nucleus

Answer

Electron cloud

Answer

Orbitals

Answer

Valence shell

Question 13

What is the acceleration due to gravity on Earth?

Accepted Answer

$$9.8 \, m/s^2$$

Answer

$$8.9 \, m/s^2$$

Answer

$$10.5 \, m/s^2$$

Answer

$$7.8 \, m/s^2$$

Question 14

Which of the following is a renewable source of energy?

Accepted Answer

Solar energy

Answer

Coal

Answer

Natural gas

Answer

Nuclear energy

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