Electronic Devices and Circuits
Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is

In the direction of current
Normal to both current and magnetic field
In arbitrary direction
Antiparallel to magnetic field

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Electronic Devices and Circuits
The output, V-I characteristics of an Enhancement type MOSFET has

Only an ohmic region
An ohmic region at low voltage value followed by a saturation region at higher voltages
Only a saturation region
An ohmic region at large voltage values preceded by a saturation region at lower voltages

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Electronic Devices and Circuits
Assertion (A): A JFET can be used as a current source.Reason (R): In beyond pinch off region the current in JFET is nearly constant.

Both A and R are true but R is not a correct explanation of A
A is true but R is false
Both A and R are true and R is correct explanation of A
A is false but R is true

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