Current Electricity Current velocity through a copper conductor is independent of current strength nearly 3 x 108 m/s the same as propagation velocity of electric energy of the order of a few ^.s/m independent of current strength nearly 3 x 108 m/s the same as propagation velocity of electric energy of the order of a few ^.s/m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two metal particles Two ions Two molecules Two atoms Two metal particles Two ions Two molecules Two atoms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used For inductive circuits As heating elements As current stabilizers To suppress surges For inductive circuits As heating elements As current stabilizers To suppress surges ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following quantities remain the same in all parts of a series circuit? Resistance Voltage Current Power Resistance Voltage Current Power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if None of these Number of free electrons available becomes more Temperature of material is increased Temperature of material is decreased None of these Number of free electrons available becomes more Temperature of material is increased Temperature of material is decreased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of Zero Infinity About 500 ohms About 50 ohms Zero Infinity About 500 ohms About 50 ohms ANSWER DOWNLOAD EXAMIANS APP
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