Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.2% 0.4% 0.3% None of the listed here 0.2% 0.4% 0.3% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Moderately good conductor Insulator None of the listed here Very good conductor Moderately good conductor Insulator None of the listed here Very good conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. Almost zero None of the listed here Positive Negative Almost zero None of the listed here Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Graphite Silicon carbide Charcoal Nichrome Graphite Silicon carbide Charcoal Nichrome ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Tungsten Steel Aluminium Nickel Tungsten Steel Aluminium Nickel 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? 18 Q 48 Q 64 Q 36 Q 18 Q 48 Q 64 Q 36 Q ANSWER DOWNLOAD EXAMIANS APP