Q.1. What electrical device houses a rotating squirrel?


2. A heating element draws 10 Amps. on a 230 Volt supply. What power is it rated at?


3. Where would this formula apply?


R1=R3 divided by R4 X R2?


4. Three resistors R1, R2 and R3 are wired in series to a 24 Volt supply. R1 carries 5 Amps. What current flows through R2 and R3?


5. In a 50 Hz circuit containing a coil of many turns.


i, The current leads the supply Voltage.


or ii, The fuse blows,


or iii, The current lags the supply Voltage.


6. What is a Galvanometer used for?


7. A full wave bridge rectifyer converts.


i. D.C. to A.C. current.


ii. A.C. to D.C. current.


iii. High Voltage to a lower Voltage.


8. A full wave bridge rectifyer contains.


i. 3 transistors.


ii. 2 Diodes and a resistor.


iii. 4 diodes.


9. What does a smoothing capacitor do?


10. What unit is a  Henry? To what does it apply?




Good luck.


Z.