What Type of Cost Is Not Relevant to the Process

question 44

Multiple Choice

What type of cost is not relevant to the process of research and development or invention in general?

• A)fixed cost 
• B)marginal cost 
• C)variable cost 
• D)social cost

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Definitions:

Locked Rotor Current

The current drawn by an electric motor when the rotor is not turning and power is applied, typically higher than the running current.

Supply Voltage

The electrical potential difference provided to power an electronic circuit or device.

Synchronous Speed

The speed at which the magnetic field in an AC motor rotates, directly related to the frequency of the power supply and the number of poles in the motor.

Alternating Current Frequency

The number of cycles per second in an alternating current (AC) waveform, typically measured in hertz (Hz).