The waveform of a certain signal can be studied by –

Related MCQs

• The device which transfer the signal from low resistance region to high resistance region is –
• If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to               .
• Red is used as an emergency or danger signal as –
• In an optical fibre the signal is transmitted –
• A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the same speed. Find the ratio of the speeds of the two stones when they hit the ground.
• Certain substances loose their electrical resistance completely at super low temperature. Such, substances are called.
• Two bodies kept at a certain distance feel a gravitational force F to each other. If the distance between them is made double the former distance, the force will be -
• Minimum numbers of unequal vectors which can give zero resultant are -
• Gamma rays can cause –
• The energy that can harness heat stored below the earth's surface is known as –