Current Electricity With rise in temperature the resistance of pure metals Decreases First increases and then decreases Increases Remains constant Decreases First increases and then decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used As current stabilizers For inductive circuits To suppress surges As heating elements As current stabilizers For inductive circuits To suppress surges As heating elements ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Number only Sometimes scalar and sometimes vector Vector quantity Scalar quantity Number only Sometimes scalar and sometimes vector Vector quantity Scalar quantity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Copper Manganin Porcelain Carbon Copper Manganin Porcelain Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 9 Ω 12.1 Ω 10 Ω 11 Ω 9 Ω 12.1 Ω 10 Ω 11 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. None of the listed here Zero Positive Negative None of the listed here Zero Positive Negative ANSWER DOWNLOAD EXAMIANS APP
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