Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 3 and 4 only 1, 2 and 3 only 4 only 1, 2, 3 and 4 3 and 4 only 1, 2 and 3 only 4 only 1, 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Fleming's right hand rule is used to find the direction of the Induced current Direct current Actual current Alternate current Induced current Direct current Actual current Alternate current ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension Egg absorbs salt from the solution and expands The density of salt solution exceeds the density of eggs Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension Egg absorbs salt from the solution and expands The density of salt solution exceeds the density of eggs ANSWER DOWNLOAD EXAMIANS APP
Physics To open a door easily, the handle should be fixed In the middle None of these Away from mid-point opposite to hinges Near the hinges In the middle None of these Away from mid-point opposite to hinges Near the hinges ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to refraction Due to reflection Due to diffraction Due to total internal reflection Due to refraction Due to reflection Due to diffraction Due to total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Where should a boat compass be mounted? Near iron All listed here Near magnet Away from electrical wiring Near iron All listed here Near magnet Away from electrical wiring ANSWER DOWNLOAD EXAMIANS APP