question: In an SR latch built from NOR gates, which condition is not allowed

options:
- S=0, R=0
- S=0, R=1
- S=1, R=0
- S=1, R=1


question: In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance

options:
- 200Ω
- 100Ω
- 50Ω
- 10Ω


question: The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240*10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is

options:
- 1 mA.
- 2 mA.
- 3 mA.
- 4 mA.


question: Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be

options:
- 100 N.
- 0.1 N.
- 1 N.
- 0.01 N.


question: A point pole has a strength of 4π * 10^-4 weber. The force in newtons on a point pole of 4π * 1.5 * 10^-4 weber placed at a distance of 10 cm from it will be

options:
- 15 N.
- 20 N.
- 7.5 N.
- 3.75 N.