27) Assume that a 4-bit serial in /serial out shift register is initially clear. Bits are shifted in from left. We wish to store the nibble 1100. What will be the 4-bit pattern after the second clock pulse? (Right-most bit first)

28) Primary winding of a transformer

29) A 12 V battery is rated at 48 AH. If it must deliver an average of 2.0 A, how long will the battery last before it needs recharging.

30) An AM receiver is tuned to 855 kHz. If IF is 455 kHz, what is the local oscillator frequency?

31) In an FET, when drain voltage equals the pinch-off voltage, then drain current _____ with the increase in drain voltage.