Chapter 3 – Current Electricity
Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 2 > Chapter 3 - Current Electricity
The given plots of V(t) for three capacitors that discharge (separately) through the same resistor. Then?
03
Dec
The given plots of V(t) for three capacitors that discharge (separately) through the same resistor. Then? The given plots of V(t) for three capacitors that discharge (separately) through the same resistor. Then? December 3, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
A capacitor discharges through a resistance. The stored energy U0, in one capacitive time constant falls to:
03
Dec
A capacitor discharges through a resistance. The stored energy U0, in one capacitive time constant falls to: A capacitor discharges through a resistance. The stored energy U0 in one capacitive time constant falls to: December 3, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
For the arrangement shown in Figure, the switch is closed at t=0. The time after which the current becomes 2.5μA is given by
03
Dec
For the arrangement shown in Figure, the switch is closed at t=0. The time after which the current becomes 2.5μA is given by For the arrangement shown in figure the switch is closed at t=0. The time after which the current becomes 2.5μA is given by December 3, 2020 Category: Arihant Physics by D.C Pandey [...]
A capacitor is charged to certain potential difference and then discharged through a resistor R. It takes 2μs for current through R to become half its initial value. It would take 4μs for current to become half its initial value if?
03
Dec
A capacitor is charged to certain potential difference and then discharged through a resistor R. It takes 2μs for current through R to become half its initial value. It would take 4μs for current to become half its initial value if? The emf of the battery shown in the figure : December 3, 2020 Category: [...]
The capacitive time constant of the RC circuit shown in the figure is:
03
Dec
The capacitive time constant of the RC circuit shown in the figure is: The capacitive time constant of the RC circuit shown in the figure is: December 3, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
A battery of emf E0 = 12V is connected across a 4m long uniform wire having resistance m/4Ω . The cells of small emf ε1 = 2V and ε 2 = 4V having internal resistance 2Ω and 6Ω respectively, are connected as shown in the figure. If galvanometer shows no deflection at the point N, find the distance of point N from the point A is equal to :
03
Dec
A battery of emf E0 = 12V is connected across a 4m long uniform wire having resistance m/4Ω . The cells of small emf ε1 = 2V and ε 2 = 4V having internal resistance 2Ω and 6Ω respectively, are connected as shown in the figure. If galvanometer shows no deflection at the point N, [...]
Tags:
A battery of emf E0 = 12V is connected across a 4m long uniform wire having resistance m/4Ω . The cells of small emf ε1 = 2V and ε 2 = 4V having internal resistance 2Ω and 6Ω respectively ,
are connected as shown in the figure. If galvanometer shows no deflection at the point N ,
find the distance of point N from the point A is equal to : ,
The potentiometer wire AB is 100 cm long. For what value of R, the galvanometer shows no deflection, when AC=40cm (shown in figure)?
03
Dec
The potentiometer wire AB is 100 cm long. For what value of R, the galvanometer shows no deflection, when AC=40cm (shown in figure)? the galvanometer shows no deflection The potentiometer wire AB is 100 cm long. For what value of R when AC=40cm (shown in figure)? December 3, 2020 Category: Arihant Physics by D.C Pandey [...]
A potentiometer wire of length 100 cm has a resistance of 10 ohm. it is connected in series with a resistance and an accumulator of e.m.f 2 V and of negligible resistance . A source of e.m.f. 10 m V is balanced against a length of 40 cm of the potentiometer wire. What is the value of R1 ?
03
Dec
A potentiometer wire of length 100 cm has a resistance of 10 ohm. it is connected in series with a resistance and an accumulator of e.m.f 2 V and of negligible resistance . A source of e.m.f. 10 m V is balanced against a length of 40 cm of the potentiometer wire. What is the [...]
In the given circuit, the voltmeter and the electric cell are ideal. Find the reading of the voltmeter
03
Dec
In the given circuit, the voltmeter and the electric cell are ideal. Find the reading of the voltmeter In the given circuit the voltmeter and the electric cell are ideal . Find the reading of the voltmeter December 3, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 [...]
In the given circuit ammeter and voltmeters are out and circuit is completed the current through the cell is I0 and VA – VB = V0. Consider the symbols : x means _(A)_ is brought in the circuit, y means _(V)_ is brought in the circuit then:
03
Dec
In the given circuit ammeter and voltmeters are out and circuit is completed the current through the cell is I0 and VA – VB = V0. Consider the symbols : x means _(A)_ is brought in the circuit, y means _(V)_ is brought in the circuit then: In the given circuit ammeter and voltmeters are [...]