The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio?

Electronic Principles
The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio?

4

None of these

0.5

180

0.25

4

None of these

0.5

180

0.25

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Electronic Principles
To get the Thevenin voltage, you have to

Open the voltage source

Short the load resistor

Short the voltage source

Open the load resister

None of these

Open the voltage source

Short the load resistor

Short the voltage source

Open the load resister

None of these

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Electronic Principles
The current gain of a transistor is defined as the ratio of the collector current to the

emitter current

None of these

supply current

collector current

base current

emitter current

None of these

supply current

collector current

base current

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Electronic Principles
The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the:

commutator

armature

None of these

battery

rotor

commutator

armature

None of these

battery

rotor

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Electronic Principles
Which is the most widely used semiconductor?

Silicon

None of these

Copper

Germanium

All of these

Silicon

None of these

Copper

Germanium

All of these

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Electronic Principles
Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question?

200 W

20 W

100 W

1000 W

None of these

200 W

20 W

100 W

1000 W

None of these

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles

Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio?

Electronic Principles To get the Thevenin voltage, you have to

Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the

Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the:

Electronic Principles Which is the most widely used semiconductor?

Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question?

Electronic Principles
The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio?

Electronic Principles
To get the Thevenin voltage, you have to

Electronic Principles
The current gain of a transistor is defined as the ratio of the collector current to the

Electronic Principles
The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the:

Electronic Principles
Which is the most widely used semiconductor?

Electronic Principles
Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question?