Chapter 1 - Tutorial 1 (Multiple choice questions)

What is the unit of electrical charge?

• Ampere (A)

• Ohm (Ω)

• Coulomb (C)

• Volt (V)

Which of the following is a fundamental unit in the International System of Units (SI)?

• Coulomb (C)

• Joule (J)

• Meter (m)

• Watt (W)

What does the symbol 'μ' represent in metric prefixes?

• Nano

• Mega

• Micro

• Milli

What is the primary focus of the course learning outcome (CLO) related to transformers?

• Electromagnetism

• Digital electronics

• Microcontroller programming

• Circuit analysis

What is the relationship between electromotive force (e.m.f.) and potential difference (p.d.)?

• e.m.f. is always less than p.d.

• e.m.f. is equal to p.d. when energy is fully transferred

• e.m.f. is always greater than p.d.

• e.m.f. is independent of p.d.

In scientific notation, how is the number 0.0000227741 expressed?

• 2.277 x 10^5

• 2.277 x 10^-5

• 22.77 x 10^-6

• 0.2277 x 10^-4

What is the formula for calculating current (I)?

• I = V/R

• I = R/V

• I = Q/t

• I = P/V

What is the unit of potential difference?

• Ampere (A)

• Joule (J)

• Coulomb (C)

• Volt (V)

Which of the following is NOT a source of electromotive force?

• Solar cell

• Battery

• Resistor

• Generator

What is the charge of a single electron?

• 6.25 x 10^18 C

• 0 C

• -1.6 x 10^-19 C

• 1.6 x 10^-19 C