Materials and Components The resistance of a photoconductor Decreases with increase in light intensity Remains constant May increase or decrease with increase in light intensity Increases with increase in light intensity Decreases with increase in light intensity Remains constant May increase or decrease with increase in light intensity Increases with increase in light intensity ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The dielectric losses do not depend on frequency. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components With increase in temperature, the electrical conductivity would Increase in metals but decrease in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which of the following are true for relative dielectric constant?1. It is dimensionless.2. It is equal to 1 for vacuum.3. It is equal to 1 for all substances. 1 and 2 only 1, 2 and 3 1 and 3 only 2 and 3 only 1 and 2 only 1, 2 and 3 1 and 3 only 2 and 3 only ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The materials which become polarized on the application of mechanical stress are called piezoelectric. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied. False True False True ANSWER DOWNLOAD EXAMIANS APP
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