2E10 MCQ Questions and Answers | Latest Version | 2024/2025 | Graded A+
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Module
2E10 MCQ
Institution
2E10 MCQ
2E10 MCQ Questions and Answers |
Latest Version | 2024/2025 | Graded A+
What is the primary function of an H-bridge in electrical engineering?
An H-bridge is used to control the direction of a DC motor by allowing the voltage to be
applied in either direction across the motor terminals.
H...
2E10 MCQ Questions and Answers |
Latest Version | 2024/2025 | Graded A+
What is the primary function of an H-bridge in electrical engineering?
✔✔ An H-bridge is used to control the direction of a DC motor by allowing the voltage to be
applied in either direction across the motor terminals.
How does an H-bridge control motor speed?
✔✔ The speed of a motor can be controlled using pulse-width modulation (PWM) signals
applied to the H-bridge, adjusting the average voltage and current supplied to the motor.
What are the main components of an H-bridge circuit?
✔✔ The main components of an H-bridge circuit typically include four switches (transistors,
MOSFETs, or relays), diodes for flyback protection, and the motor being driven.
Why is it essential to include flyback diodes in an H-bridge circuit?
✔✔ Flyback diodes are essential to protect the circuit from voltage spikes generated when the
motor is turned off or changes direction, preventing damage to the H-bridge components.
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, What is the purpose of using an H-bridge for controlling stepper motors?
✔✔ An H-bridge can control the direction and enable microstepping of stepper motors, allowing
for precise control over position and movement.
How can an H-bridge be used in robotics?
✔✔ H-bridges are commonly used in robotics to control the movement of wheels and motors,
allowing robots to move forward, backward, and perform complex maneuvers.
What is the significance of the term "H-bridge" in its name?
✔✔ The term "H-bridge" comes from the arrangement of its four switches, which can be
visualized as an "H" shape when drawn in circuit diagrams.
How do you prevent short circuits in an H-bridge when switching motor direction?
✔✔ To prevent short circuits, control logic must ensure that opposite pairs of switches are not
turned on simultaneously, which can be achieved through careful sequencing in the control
signals.
What type of transistors are commonly used in H-bridge circuits?
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