Physics
The nature of fuse wire is

Low resistance and low melting point.
High resistance and low melting point.
High resistance and high melting point.
Low resistance and high melting point.

ANSWER DOWNLOAD EXAMIANS APP

Physics
It is more difficult to walk on a sandy road than on a concrete road because

sand is soft and concreter is hard.
the friction between sand and feet is less than that between concrete and feet.
the friction between sand and feet is more than that between concrete and feet.
the sand is grainy but concrete is smooth.

ANSWER DOWNLOAD EXAMIANS APP