Mobile Robotics Practice Paper B

Where are robots used?

i) Manufacturing industry

ii) Space exploration

iii) Military

iv) Security

v) Healthcare industry

vi) Service industry

• (i), (iii), (vi) only

• (i), (ii), (iv), (vi) only

• (ii), (iii), (v), (vi) only

• All the above

Which of the following is the correct flow for the functional blocks in an autonomous robotic system?

• SENSING > MOTION CONTROL > DECISION MAKING

• SENSING > DECISION MAKING > MOTION CONTROL

• MOTION CONTROL > SENSING > DECISION MAKING

• MOTION CONTROL > DECISION MAKING > SENSING

What is the unit for potential difference?

• Amperes

• Ohms

• Volts

• Watts

Which of the following refers to the voltage of a source of energy, such as a battery?

• Potential difference

• Electromotive force

• Power

• Current ratin

Which of the following equation can Ohm’s law be expressed by?

• V = IR

• R = IV

• I = VR

• R = I²V

Which of the following is not an equation to calculate power?

• P = IV

• P = I²R

• P = I²/R

• P = V²/R

Which of the following statements are true about Ohm’s law?

i) Current through a conductor between 2 points is directly proportional to the voltage across the 2 points.

ii) Current through a conductor between 2 points is inversely proportional to the voltage across the 2 points.

iii) Current through a conductor between 2 points is directly proportional to the resistance between them.

iv) Current through a conductor between 2 points is inversely proportional to the resistance between them.

• (i) and (iv)

• (ii) and (iii)

• (i) and (iii)

• (ii) and (iv)

Refer to the circuit above. Calculate the effective resistance of R1 and R2.

• 5 Ω

• 0.2 Ω

• 0.8 Ω

• 1.25 Ω

Refer to the circuit above. Calculate the effective resistance of R3 and R4.

• 36 Ω

• 0.2 Ω

• 5 Ω

• 0.028 Ω

Refer to the circuit above. Calculate the effective resistance of the four resistors, R1, R2, R3 and R4.

• 0.4 Ω

• 10 Ω

• 0.1 Ω

• 2.5 Ω