EE 4-1

EE 4-1

Assessment

Flashcard

Mathematics

Professional Development

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the kVA rating of a transformer when used as a step-down autotransformer?

Back

The kVA rating of a transformer increases when used as a step-down autotransformer. For a 10 kVA transformer rated at 440/110 V, the new kVA rating is 50 kVA when used as a 550/440 V autotransformer.

2.

FLASHCARD QUESTION

Front

What is the formula to calculate the total resistance in a series circuit?

Back

In a series circuit, the total resistance (R_total) is the sum of the individual resistances: R_total = R_A + R_B + R_C.

3.

FLASHCARD QUESTION

Front

How do you calculate the resistance of a resistor in a series circuit if the voltage and current are known?

Back

Use Ohm's Law: R = V/I, where R is resistance, V is voltage across the resistor, and I is the current.

4.

FLASHCARD QUESTION

Front

What does EPIRA stand for in the context of the Philippine energy sector?

Back

EPIRA stands for the Electric Power Industry Reform Act.

5.

FLASHCARD QUESTION

Front

What is the significance of the Philippine Electricity Market Corporation (PEMC)?

Back

PEMC is responsible for overseeing the electricity market in the Philippines, ensuring fair competition and efficient operation.

6.

FLASHCARD QUESTION

Front

How is frequency related to wavelength in radio waves?

Back

Frequency (f) is inversely proportional to wavelength (λ): f = c/λ, where c is the speed of light.

7.

FLASHCARD QUESTION

Front

What is the frequency of a radio wave with a wavelength of 600 m?

Back

The frequency is 500 kHz.

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