A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage?

Electronic Principles
A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage?

None of these

208 V

700 V

651 V

707 V

None of these

208 V

700 V

651 V

707 V

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Electronic Principles
Which one of the following statements most accurately applies to the frequency of a waveform?

Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz

None of these

The actual frequency of a sine waveform is 1.41 times the working frequency

The longer the period of a waveform, the lower its frequency

The higher the amplitude of a waveform, the higher its frequency

Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz

None of these

The actual frequency of a sine waveform is 1.41 times the working frequency

The longer the period of a waveform, the lower its frequency

The higher the amplitude of a waveform, the higher its frequency

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Electronic Principles
A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage?

16 V

8 V

7.5 V

None of these

15 V

16 V

8 V

7.5 V

None of these

15 V

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Electronic Principles
Silicon atoms combine into an orderly pattern called a

None of these

Semiconductor

Covalent bond

Crystal

Valence orbit

None of these

Semiconductor

Covalent bond

Crystal

Valence orbit

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Electronic Principles
Which one of the following statements is true for current flowing in a series circuit?

The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it

The total current in a series circuit is equal to the total voltage multiplied by the total resistance

The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit

The same current flows through every part of a series circuit

None of these

The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it

The total current in a series circuit is equal to the total voltage multiplied by the total resistance

The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit

The same current flows through every part of a series circuit

None of these

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Electronic Principles
Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?

None of these

P = IE

P = E2/R

P = I2R

I = P/E

None of these

P = IE

P = E2/R

P = I2R

I = P/E

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Electronic Principles

Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage?

Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform?

Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage?

Electronic Principles Silicon atoms combine into an orderly pattern called a

Electronic Principles Which one of the following statements is true for current flowing in a series circuit?

Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?

Electronic Principles
A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage?

Electronic Principles
Which one of the following statements most accurately applies to the frequency of a waveform?

Electronic Principles
A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage?

Electronic Principles
Silicon atoms combine into an orderly pattern called a

Electronic Principles
Which one of the following statements is true for current flowing in a series circuit?

Electronic Principles
Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?