Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Carbon Constantan Copper Silver Carbon Constantan Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load None of these Increases Decreases Remains same None of these Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Carbon Copper Cast iron Tungsten Carbon Copper Cast iron Tungsten ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 5 ohms 10 ohms 15 ohms 55 ohms 5 ohms 10 ohms 15 ohms 55 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will fuse 40 W lamp will glow brighter Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will fuse 40 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Charcoal Graphite Silicon carbide Nichrome Charcoal Graphite Silicon carbide Nichrome ANSWER DOWNLOAD EXAMIANS APP
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