WorksheetsMCQs on H-Bridge (Grades 5)
Total questions: 9
Worksheet time: 5mins
What is the main use of an H-Bridge circuit?
To light up LEDs
To control the direction of a DC motor
To measure voltage
To store electric charge
Why is it called an "H-Bridge"?
Because it looks like the letter “H” when drawn in a circuit
Because it uses hydrogen gas
Because it has high voltage
Because it has half power
How many switches or transistors are used in a basic H-Bridge?
2
3
4
6
What happens when the motor connections in an H-Bridge are reversed?
The motor stops
The motor changes direction
The motor burns out
Nothing happens
What is the full form of SPDT?
Single Pole Double Throw
Single Point Dual Terminal
Standard Pole Direct Transfer
In an H-Bridge, what happens if both high-side switches are ON at the same time?
A) Short circuit
B) Motor stays constant, it will not rotate
C) Motor moves faster
D) Nothing happens
Which of the following is an application of an H-Bridge?
LED blinking
Washing machine
Temperature sensor
Sound alarm
How does a motor work in an H-Bridge circuit?
A) It rotates in one direction only
B) It rotates forward or backward depending on the switches
C) It stores electricity
D) It glows like a bulb
Which way does current flow in a circuit?
From lower voltage to higher voltage
From higher voltage to lower voltage
It does not flow
It flows randomly
