Question
Name the physical quantity whose S.I. unit is JC–1. Is it a scalar or a vector quantity?
✓
Answer
Electric potential, scalar.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Two capacitors of equal capacitance C are combine in series. What will be the capacitance of the combination?
Answer the following questions:
Why is diamagnetism, in contrast, almost independent of temperature?
Why is diamagnetism, in contrast, almost independent of temperature?
The I-V characteristics of a resistor are observed to deviate from a straight line for higher values of current as shown in the adjoining figure why?
In two co-axial same circular coils, same current is flowing in the same direction. If both the coils are brought towards each other, then what will be the change in the current?
An NCC parade is going at a uniform speed of 6km/h through a place under a berry tree on which a bird is sitting at a height of 12.1m. At a particular instant the bird drops a berry. Which cadet (give the distance from the tree at the instant) will receive the berry on his uniform?
C, Si and Ge have same lattice structure. Why is $C$ insulator while $Si$ and Ge intrinsic semiconductors?
→Which nuclear reaction is responsible for producing energy from the Sun?
Two events take place simultaneously at points A and B as seen in the lab frame. They also occur simultaneously in a frame moving with respect to the lab in a direction:
- Parallel to AB.
- Perpendicular to AB.
- Making an angle of 45° with AB.
- making an angle of 135° with AB.
There is force of repulsion between two parallel current carrying conductors. What idea we get about direction of flow of current?
A resistance R is connected across a cell of emf ε and internal resistance r. A potentiometer now measures the potential difference between the terminals of the cell as V. Write the expression for 'r' in terms of ε, V and R.