What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm?

Electronic Principles
What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm?

99.3 Ohm

250 Ohm

60 Ohm

None of these

70.7Ohm

99.3 Ohm

250 Ohm

60 Ohm

None of these

70.7Ohm

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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?

I = P/E

None of these

P = I2R

P = IE

P = E2/R

I = P/E

None of these

P = I2R

P = IE

P = E2/R

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Electronic Principles
Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit?

There is no valid comparison

Permeance

Permeability

Reluctance

Retentivity

There is no valid comparison

Permeance

Permeability

Reluctance

Retentivity

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

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

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

None of these

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

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

None of these

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Electronic Principles
Which one of the following phrases most accurately describes a purely capacitive circuit?

The ac voltage leads the current by 90 degree

None of these

Combinations of resistance and capacitive reactance provide any opposition to current flow

Capacitive reactance provides the only opposition to current flow

Resistances provide the only opposition to current flow

The ac voltage leads the current by 90 degree

None of these

Combinations of resistance and capacitive reactance provide any opposition to current flow

Capacitive reactance provides the only opposition to current flow

Resistances provide the only opposition to current flow

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Electronic Principles
The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:

None of these

Twice the primary current

One-half the primary current

No more than 10% less than the primary current

Same as the primary current

None of these

Twice the primary current

One-half the primary current

No more than 10% less than the primary current

Same as the primary current

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Electronic Principles

Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm?

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 Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit?

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

Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit?

Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:

Electronic Principles
What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm?

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
Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit?

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

Electronic Principles
Which one of the following phrases most accurately describes a purely capacitive circuit?

Electronic Principles
The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: