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9. The voltage of a simple voltaic cell is
اور یں ۷ھ 1.08 ४
©) 1.28 D) 1.4V
10. The speed of electricity is
۸ھ 2,97 842 km/s B) 2,97,842 km/m
C) 2,97,842 km/hr D) none of the above
11. Which type of M.C.B. is used in air-conditioners ?
A) Lseries
B) G series
C) Either L series or G series
D) Any one of the above
12. Which type of fire extinguisher is used on electrical fire ?
A) foam type B) gas cartridge water fi....
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