Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 5 : 2 25 : 4 4 : 25 2 : 5 5 : 2 25 : 4 4 : 25 2 : 5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used To suppress surges As current stabilizers For inductive circuits As heating elements To suppress surges As current stabilizers For inductive circuits As heating elements ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Practically zero Very high High Low Practically zero Very high High Low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of About 50 ohms Infinity Zero About 500 ohms About 50 ohms Infinity Zero About 500 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 40 W 60 W 20 W 10 W 40 W 60 W 20 W 10 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 1000 Ω 800 Ω 600 Ω 400 Ω 1000 Ω 800 Ω 600 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
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