An electron with an initial speed of $4.0 \times 10^6 \,ms ^{-1}$ is brought to rest by an electric field. The mass and charge of an electron are $9 \times 10^{-31} \,kg$ and $1.6 \times 10^{-19} \,C$, respectively. Identify the correct statement.
An electron with an initial speed of $4.0 \times 10^6 \,ms ^{-1}$ is brought to rest by an electric field. The mass and charge of an electron are $9 \times 10^{-31} \,kg$ and $1.6 \times 10^{-19} \,C$, respectively. Identify the correct statement.
- [KVPY 2013]
- A
The electron moves from a region of lower potential to higher potential through a potential difference of $11.4 \,\mu V$
- B
The electron moves from a region of higher potential to lower potential through a potential difference of $11.4 \,\mu V$
- C
The electron moves from a region of lower potential to higher potential through a potential difference of $45 \,V$
- D
The electron moves from a region of higher potential to lower potential through a potential difference of $45 \,V$
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