Physics Which of the following features of a tunnel diode is its drawback Extremely high frequency response Instability due to negative resistance Very wide temperature range of operations Very low power consumptions Extremely high frequency response Instability due to negative resistance Very wide temperature range of operations Very low power consumptions ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics What is a neuron ? Particle released during radioactivity Basic unit of energy Basic unit of nervous system The anti-particle of neutron Particle released during radioactivity Basic unit of energy Basic unit of nervous system The anti-particle of neutron ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these waves can be polarized ? Light waves Longitudinal waves on a string Sound waves in air Transverse waves on a string Light waves Longitudinal waves on a string Sound waves in air Transverse waves on a string ANSWER DOWNLOAD EXAMIANS APP
Physics While ascending a hill, the driver of the vehicle keeps the gear ratio Greater than 1 Either equal to or greater than 1 Equal to 1 Less than 1 Greater than 1 Either equal to or greater than 1 Equal to 1 Less than 1 ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 36 50 12 24 36 50 12 24 ANSWER DOWNLOAD EXAMIANS APP
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