Current Electricity Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 55 ohms 10 ohms 5 ohms 15 ohms 55 ohms 10 ohms 5 ohms 15 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if None of these Number of free electrons available becomes more Temperature of material is increased Temperature of material is decreased None of these Number of free electrons available becomes more Temperature of material is increased Temperature of material is decreased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Material Cross-sectional area Shape of cross-section Temperature Material Cross-sectional area Shape of cross-section Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is of the order of a few ^.s/m the same as propagation velocity of electric energy nearly 3 x 108 m/s independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy nearly 3 x 108 m/s independent of current strength ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two metal particles Two ions Two molecules Two atoms Two metal particles Two ions Two molecules Two atoms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 25 : 4 4 : 25 5 : 2 2 : 5 25 : 4 4 : 25 5 : 2 2 : 5 ANSWER DOWNLOAD EXAMIANS APP
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