Measurements Topic 1

Choose the best answer for absolute error:

**Yn : Expected Value

Xn : Measured Value

• Yn - Xn

• Xn - Yn

• (Yn - Xn)/Yn

• (Xn - Yn)/Yn

Choose the correct answer for Relative Error:

• Yn - Xn

• Yn + Xn

  ---

  Xn

• Yn - Xn

  ---

  Xn

• Yn - Xn

  ---

  Yn

Given a resistor with 4 colour bands:

Red, Red, Red, Gold

What is the expected value for the resistor?

• 220 ohm

• 2K ohm

• 2.2K ohm

• 22K ohm

The colour of 4th band of a resistor is gold. What is the tolerance percentage of the resistor?

• 1%

• 5%

• 10%

• 20%

Choose the correct unit for resistance, current and voltage.

• Resistance : Ω

  Current : V

  Voltage : A

• Resistance : V

  Current : Ω

  Voltage : V

• Resistance : Ω

  Current : A

  Voltage : V

• Resistance : V

  Current : A

  Voltage : Ω

Based upon the figure, what is the best relationship can be expressed about accuracy and precision?

• Accurate and Precise

• Accurate but imprecise

• Inaccurate but precise

• inaccurate and imprecise

What is the voltage value if the range is set to 50 DCV?

• 3 V

• 15V

• 50V

• 75V

What is the actual value if a resistor with the colour bands

Orange, Yellow, Red ?

• 430Ω

• 340Ω

• 3.4KΩ

• 4.3KΩ