The variation of $EMF$ with time for four types of generators are shown in the figures. Which amongst them can be called $AC$ ?
The variation of $EMF$ with time for four types of generators are shown in the figures. Which amongst them can be called $AC$ ?
- [NEET 2019]
- A
$(a)$ and $(d)$
- B
$(a), (b), (c)$ and $(d)$
- C
$(a)$ and $(b)$
- D
Only $(a)$
Similar Questions
If the value of potential in an $ac$, circuit is $10V$, then the peak value of potential is
If the value of potential in an $ac$, circuit is $10V$, then the peak value of potential is
A generator produces a voltage that is given by $V = 240\,sin \,120\,t$, where t is in seconds. The frequency and $ r.m.s.$ voltage are
A generator produces a voltage that is given by $V = 240\,sin \,120\,t$, where t is in seconds. The frequency and $ r.m.s.$ voltage are
Which of the following components of a $LCR$ circuit, with $ac$ supply, dissipates energy
Which of the following components of a $LCR$ circuit, with $ac$ supply, dissipates energy
The alternating current is given by
${i}=\left\{\sqrt{42} \sin \left(\frac{2 \pi}{{T}} {t}\right)+10\right\} {A}$
The $r.m.s.$ value of this current is ${A}$
The alternating current is given by
${i}=\left\{\sqrt{42} \sin \left(\frac{2 \pi}{{T}} {t}\right)+10\right\} {A}$
The $r.m.s.$ value of this current is ${A}$
- [JEE MAIN 2021]
Give definition and formula of root mean square plot graph of current versus $\omega t$.
Give definition and formula of root mean square plot graph of current versus $\omega t$.