Options:
- A. Semi conductor
- B. Conductor
- C. Metals
- D. Non metals
View Answer
D. Non metals
Physics
A vacant or partially filled band is called _____________________?
Options:
- A. Conduction band
- B. Valence band
- C. Forbidden band
- D. Empty band
View Answer
A. Conduction band
When the coil of the galvanometer is in equilibrium then the deflecting couple is____________________?
Options:
- A. zero
- B. equal to the restoring couple
- C. greater than the restoring couple
- D. smaller than the restoring couple
View Answer
B. equal to the restoring couple
The magnetic field strength of solenoid is__________________?
Options:
- A. B = ?NI
- B. B = ?N/I
- C. B = ?nI
- D. Both B and C
View Answer
D. Both B and C
The value of the steady current which when flowing through the same resistor produces heat at the same rate as the mean rate of heat produced by the alternating current is__________________?
Options:
- A. Average current
- B. Sinusoidal current
- C. r.m.s current
- D. Net current
View Answer
C. r.m.s current
When a pure inductor of inductance L and a pure capacitor of capacitance C are connected in parallel to a sinusoidal potential difference V the potential difference across both L & C will be_______________?
Options:
- A. Same
- B. Different
- C. At L will be more than at C
- D. At L will be less than at C
View Answer
A. Same
A vector can be multiplied by a number. The number may be_______________?
Options:
- A. Dimensionless
- B. Dimensional scalar
- C. Negative
- D. All A, B and C are correct
View Answer
D. All A, B and C are correct
If A=Ax i^ + Ay j^ + Az K^ B = Bx i^ + By j^ + Bz K^ then______________?
Options:
- A. A. B = Ax Bx + Ay By + Az Bz
- B. A. B = Ax By + Ay Bz + Az By
- C. A. B = Ay Bz + Az By + Az Bx
- D. A. B = Ax Bz + Ay By + Az Bx
View Answer
A. A. B = Ax Bx + Ay By + Az Bz
SI unit of torque is______________?
Options:
- A. N.m
- B. joule
- C. Both a and b are correct
- D. Neither a nor b is correct
View Answer
A. N.m
Transuranic elements have an atomic number_______________?
Options:
- A. Greater than 72
- B. Greater than 82
- C. Greater than 92
- D. Greater than 102
View Answer
C. Greater than 92