Current Electricity Eureka has _______ temperature co-efficient of resistance. Positive Almost zero Negative None of the listed here Positive Almost zero Negative None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Increases None of the listed here Decreases Remains unchanged Increases None of the listed here Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A ferromagnetic substance A superconductor An insulator A conductor A ferromagnetic substance A superconductor An insulator A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 36 Q 18 Q 48 Q 64 Q 36 Q 18 Q 48 Q 64 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Conductors Inductors Insulators Semi-conductors Conductors Inductors Insulators Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is independent of current strength the same as propagation velocity of electric energy nearly 3 x 108 m/s of the order of a few ^.s/m independent of current strength the same as propagation velocity of electric energy nearly 3 x 108 m/s of the order of a few ^.s/m ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS