Muntaha Nasir ENGINEERING   -   Electrical Engineering

Which type of circuit is used to generate a specific frequency waveform?

Oscillators generate specific frequency waveforms, providing stable signal sources for various applications.
Muntaha Nasir ENGINEERING   -   Electrical Engineering

What is the primary difference between a synchronous motor and an induction motor?

Synchronous motors operate at a constant speed synchronized with the supply frequency, unlike induction motors, which have a variable speed.
Muntaha Nasir ENGINEERING   -   Electrical Engineering

In AC circuits, what is the significance of power factor?

Power factor is the ratio of real power to apparent power, indicating the efficiency of power usage in AC circuits.
Muntaha Nasir ENGINEERING   -   Electrical Engineering

What is the main purpose of using a relay in electrical circuits?

Relays provide electrical isolation between control and load circuits, enabling low-power signals to control high-power devices.
Muntaha Nasir ENGINEERING   -   Electrical Engineering

Which phenomenon describes the increase in current flow in a conductor due to reduced cross-sectional area at high frequencies?

The skin effect describes the increase in current density near the surface of a conductor at high frequencies, reducing the effective cross-sectional area.
Muntaha Nasir ENGINEERING   -   Electrical Engineering

In microcontrollers, what is the main function of an ADC (Analog-to-Digital Converter)?

ADCs convert analog signals to digital form, enabling microcontrollers to process real-world analog inputs.
Muntaha Nasir ENGINEERING   -   Electrical Engineering

What is the primary characteristic of a superconducting material?

Superconducting materials exhibit zero electrical resistivity below a certain critical temperature, allowing for lossless current flow.
Muntaha Nasir ENGINEERING   -   Electrical Engineering

Which method is used to analyze the frequency response of linear time-invariant (LTI) systems?

The Bode plot is used to analyze the frequency response of LTI systems, providing insights into gain and phase shift across frequencies.
Muntaha Nasir ENGINEERING   -   Electrical Engineering

In electrical machines, what is the purpose of using a commutator in a DC motor?

The commutator in a DC motor reverses the current direction in the armature windings, ensuring unidirectional torque.
Muntaha Nasir ENGINEERING   -   Electrical Engineering

What is the primary advantage of using a CMOS technology in integrated circuits?

CMOS technology is favored for its low power consumption, making it ideal for battery-powered and portable devices.

ENGINEERING