1
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Determine the charge on the capacitor in the following circuit : JEE Main 2019 (Online) 9th April Morning Slot Physics - Capacitor Question 103 English
A
200μC
B
2μC
C
10μC
D
60μC
2
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A capacitor with capacitance 5μF is charged to 5μC. If the plates are pulled apart to reduce the capacitance to 2μF, how much work is done ?
A
2.16 × 10–6 J
B
2.55 × 10–6 J
C
3.75 × 10–6 J
D
6.25 × 10–6 J
3
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A parallel plate capacitor has 1μF capacitance. One of its two plates is given +2μC charge and the other plate, +4μC charge. The potential difference developed across the capacitor is:-
A
1V
B
5V
C
2V
D
3V
4
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Voltage rating of a parallel plate capacitor is 500V. Its dielectric can withstand a maximum electric field of 106 V/m. The plate area is 10–4 m2. What is the dielectric constant is the capacitance is 15 pF? (given $$\varepsilon $$0 = 8.86 × 10–12 C2/Nm2)
A
8.5
B
4.5
C
3.8
D
6.2
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