Physics The best material for the core of a transformer is Hard steel Mild steel Stainless steel Soft iron Hard steel Mild steel Stainless steel Soft iron ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the false statement about the resistance of a wire It depends on material of wire It is directly proportional to the length of wire It is directly proportional to the area of cross-section of wire Resistance of metallic wire increases with increase in temperature It depends on material of wire It is directly proportional to the length of wire It is directly proportional to the area of cross-section of wire Resistance of metallic wire increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : To increase the current flow To decrease the resistance Ro decrease the voltage momentarily To decrease the current flow To increase the current flow To decrease the resistance Ro decrease the voltage momentarily To decrease the current flow ANSWER DOWNLOAD EXAMIANS APP
Physics Unit of impedance is ________ Tesla Hertz Ohm Henry Tesla Hertz Ohm Henry ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because All colours interfere to produce blue It is actually blue The atmosphere scatters blue colour more than the others In white light, the blue component dominates All colours interfere to produce blue It is actually blue The atmosphere scatters blue colour more than the others In white light, the blue component dominates ANSWER DOWNLOAD EXAMIANS APP
Physics Which one type of radiation has the longest wave length X-ray Infrared Ultraviolet Radio Wave X-ray Infrared Ultraviolet Radio Wave ANSWER DOWNLOAD EXAMIANS APP