Electronic Devices and Circuits Which one of the following is not a characteristic of a ferroelectric material? Electric dipole moment Ferroelectric characteristic only above the curie point No hysteresis High dielectric constant Electric dipole moment Ferroelectric characteristic only above the curie point No hysteresis High dielectric constant ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An intrinsic silicon sample has 1 million free electrons at room temperature. As the temperature is increased The number of free electrons increases but the number of holes decreases The number of free electrons increases The number of free electrons and holes increase but not by the same amount The number of free electrons and holes increase by the same amount The number of free electrons increases but the number of holes decreases The number of free electrons increases The number of free electrons and holes increase but not by the same amount The number of free electrons and holes increase by the same amount ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The output, V-I characteristics of an Enhancement type MOSFET has Only an ohmic region An ohmic region at large voltage values preceded by a saturation region at lower voltages An ohmic region at low voltage value followed by a saturation region at higher voltages Only a saturation region Only an ohmic region An ohmic region at large voltage values preceded by a saturation region at lower voltages An ohmic region at low voltage value followed by a saturation region at higher voltages Only a saturation region ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is 99 1.01 0.99 100 99 1.01 0.99 100 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Assertion (A): A p-n junction has high resistance in reverse direction.Reason (R): When a reverse bias is applied to p-n junction, the width of depletion layer increases. Both A and R are true but R is not a correct explanation of A A is false but R is true A is true but R is false Both A and R are true and R is correct explanation of A Both A and R are true but R is not a correct explanation of A A is false but R is true A is true but R is false Both A and R are true and R is correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The sensitivity of human eyes is maximum at Green portion of spectrum Red portion of spectrum White portion of spectrum Violet portion of spectrum Green portion of spectrum Red portion of spectrum White portion of spectrum Violet portion of spectrum ANSWER DOWNLOAD EXAMIANS APP
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