A. Tension
B. Weight
C. Impulse
D. Mass
Correct Answer:
Option D – Mass
Explanation
Scalar quantity is a quantity with only magnitude, it has no direction. Tension, weight, impulse are vector quantities because they have direction. Mass is the only scalar quantity there
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![It takes 4 minutes to boil a quantity of water using an electrical heating coil. How long will it take to boil the same quantity of water using the same coil if the current is doubled? [Neglect any external heat losses]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "It takes 4 minutes to boil a quantity of water using an electrical heating coil. How long will it take to boil the same quantity of water using the same coil if the current is doubled? [Neglect any external heat losses]")