Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 5 kWh 6 kWh 3.2 kWh 2 kWh 5 kWh 6 kWh 3.2 kWh 2 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in Amperes Ampere-hours Ampere-volts kWh Amperes Ampere-hours Ampere-volts kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Sometimes scalar and sometimes vector Vector quantity Scalar quantity Number only Sometimes scalar and sometimes vector Vector quantity Scalar quantity Number only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Silicon carbide Nichrome Graphite Charcoal Silicon carbide Nichrome Graphite Charcoal ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Copper Porcelain Carbon Manganin Copper Porcelain Carbon Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A semiconductor None of the listed here A conductor An insulator A semiconductor None of the listed here A conductor An insulator ANSWER DOWNLOAD EXAMIANS APP