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Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which type of memory is used for storing firmware in embedded systems?
A. RAM.
B. ROM.
C. Flash memory.
D. Cache memory.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In signal processing, what is the purpose of a digital filter?
A. Amplify signals.
B. Reduce noise.
C. Convert signals to analog.
D. Increase signal power.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which component is essential for converting solar energy into electrical energy in photovoltaic systems?
A. Inverter.
B. Battery.
C. Solar panel.
D. Transformer.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In electrical power systems, what is the purpose of using a capacitor bank?
A. Voltage regulation.
B. Current amplification.
C. Power factor correction.
D. Frequency modulation.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the main advantage of using a brushless DC motor over a brushed DC motor?
A. Lower cost.
B. Higher efficiency.
C. Simpler control.
D. Increased noise.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In the context of electromagnetic waves, what is the primary function of a waveguide?
A. Signal amplification.
B. Signal modulation.
C. Signal transmission.
D. Signal reflection.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the significance of the breakover voltage in a silicon-controlled rectifier (SCR)?
A. Maximum reverse voltage.
B. Minimum forward voltage.
C. Trigger voltage for conduction.
D. Voltage drop across the SCR.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
Which method is used to analyze transient response in electrical circuits?
A. Fourier transform.
B. Laplace transform.
C. Z-transform.
D. Bode plot.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
What is the primary function of a thyristor in power control circuits?
A. Voltage regulation.
B. Signal amplification.
C. High-speed switching.
D. Controlled rectification.
Muntaha Nasir
ENGINEERING
-
Electrical Engineering
In power electronics, what is the main purpose of a rectifier?
A. Convert AC to DC.
B. Convert DC to AC.
C. Increase voltage.
D. Decrease current.
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