Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Resistor Reactor Inductor Capacitor Resistor Reactor Inductor Capacitor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 5 : 2 4 : 25 25 : 4 2 : 5 5 : 2 4 : 25 25 : 4 2 : 5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to High voltage circuits Circuits with low current densities Vaccum tubes Carbon resistors High voltage circuits Circuits with low current densities Vaccum tubes Carbon resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Positive Zero None of the listed here Negative Positive Zero None of the listed here Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is 10 Ω, 15 Ω 20 Ω, 30 Ω 5 Ω, 10 Ω 10 Ω, 20 Ω 10 Ω, 15 Ω 20 Ω, 30 Ω 5 Ω, 10 Ω 10 Ω, 20 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. Negative Positive Almost zero None of the listed here Negative Positive Almost zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP