List of top Questions asked in CBSE CLASS XII- 2026

How can an entrepreneur develop decisiveness?
What is the main property of organic photoconductive material that is coated in the drum of a laser printer?
Which of the following devices can be used for microwave generation?
Write any four benefits of green jobs.
“Active listening is an art.” Give any four factors that affect active listening.
What types of data are used in a spreadsheet?
“Stress is a natural response to challenges or demands.” Write any four ways to manage stress.
The tone ringer unit in telephone generates frequency in the ________ range.
There are ________ number of pins in RJ11 connector.
________ separates video signal from composite signal.
The mixer of a TV receiver is a/an ________ port device.
In DTMF, the circuit operates over the supply voltage range from
Which of the following is an impact printer?
Frequency modulation is done in ________ section of the TV transmitter. (Audio/Video)
Which of the following can be used for analog sound recording?
Write two key features of HDTV.
High power linear amplifier is used in the audio section of the TV transmitter. (True/False)
What is the full form of PCB?
What do you mean by playback?
Intermediate Frequency (IF) amplifier in TV receiver is used as
________ is a kind of loudspeaker driver used for low frequency range.
In which of the following loudspeaker there is no diaphragm?
An analog sound recorder contains a sampler. (True/False)
On which principle does a moving coil microphone work?
In a magnetic tape recorder, the erase signal is a ________ signal.