Question

a voltmeter and an ammeter are used to respectively monitor the voltage across the current through the resistor

Answer 1

When a current is established in a closed conducting loop , we use ammeter. Due to this resultant potential developed detected by voltmeter.

1. When current flows through loop , it gets conducted.
2. Due to this Electric field is generated . This happens due to induced magnetic field.
3. The free electrons were at rest until current is there , still ammeter detects some deflection.
4. This deflection is due to zero current.
5. Due to magnetic field , current in coil changes.
6. Mathematically, $\alpha =-\frac{d\beta }{dt}$
7. The presence of conducting loop is not necessary for having electric field.

$e= -\frac{d\beta }{dt}$

$e=-L\frac{d\beta }{dt}$

$i= i0 \left \{ {{y=0.63} \atop {x=t}} \right.$

i=0.63 io

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