7) What is the maximum number of digital inputs that a logic gate output can feed?

8) Which of the following is not a transducer?

9) Peltier effect is used for

10) Calculate the value of shunt resistor required to extend the range of a moving coil meter of resistance 990 Ohm from 10 micro Ampare to 1 micro Ampare

11) How many JK flip flops (with J=K=1) should be cascaded with Q output of one flipflop connected to clock input of the next flipflop, to derive 2 kHz from 32 kHz?