Coulomb's Law
PHXII01:ELECTRIC CHARGES AND FIELDS

358112 A charge particle \(q_{1}\) is at position \((2,-1,3)\). The electrostatics force on another charged particle \(q_{2}\) at \((0,0,0)\) is :

1 \(\dfrac{q_{1} q_{2}}{56 \pi \epsilon_{0}}(2 \hat{i}-\hat{j}+3 \hat{k})\)
2 \(\frac{1}{{4\pi { \in _0}}}\frac{{{q_1}{q_2}}}{{{{(\sqrt {14} )}^3}}}( - 2\hat i + \hat j - 3\hat k)\)
3 \(\frac{{{q_1}{q_2}}}{{56\pi {_0}}}(\hat j - 2\hat i - 3\hat k)\)
4 \(\frac{{{q_1}{q_2}}}{{56\sqrt {14} \pi {_0}}}(2\hat i - \hat j + 3\hat k)\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358113 Two identical size insulating balls \(A\) and \(B\) have positive charges \({q_1}\) and \({q_2}\) respectively but \({q_1} \ne {q_2}\).The balls are brought together so they touch each other and then kept in their original positions. The force between them:

1 Zero
2 Remains same
3 Increases
4 Decreases
PHXII01:ELECTRIC CHARGES AND FIELDS

358114 A certain charge 2\(Q\) is divided at first into two parts \({q_1}\) and \({q_2}\). Later the charges are placed at a certain distance. If the force of interaction between two charges is maximum then \(\frac{Q}{{{q_1}}} = \) ……

1 \(1\)
2 \(4\)
3 \(0.5\)
4 \(2\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358115 A \(10 \mu C\) charge is divided into two parts and placed at \(1\;cm\) distance so that the repulsive force between them is maximum. The charges of the two parts are

1 \(9\,\mu C,1\,\mu C\)
2 \(7\,\mu C,3\,\mu C\)
3 \(8\,\mu C,2\,\mu C\)
4 \(5\,\mu C,5\,\mu C\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358116 Two charges are placed at a distance apart. If a glass slab is placed between them, the force between them will

1 Be zero
2 Increase
3 Decrease
4 Remains same
PHXII01:ELECTRIC CHARGES AND FIELDS

358112 A charge particle \(q_{1}\) is at position \((2,-1,3)\). The electrostatics force on another charged particle \(q_{2}\) at \((0,0,0)\) is :

1 \(\dfrac{q_{1} q_{2}}{56 \pi \epsilon_{0}}(2 \hat{i}-\hat{j}+3 \hat{k})\)
2 \(\frac{1}{{4\pi { \in _0}}}\frac{{{q_1}{q_2}}}{{{{(\sqrt {14} )}^3}}}( - 2\hat i + \hat j - 3\hat k)\)
3 \(\frac{{{q_1}{q_2}}}{{56\pi {_0}}}(\hat j - 2\hat i - 3\hat k)\)
4 \(\frac{{{q_1}{q_2}}}{{56\sqrt {14} \pi {_0}}}(2\hat i - \hat j + 3\hat k)\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358113 Two identical size insulating balls \(A\) and \(B\) have positive charges \({q_1}\) and \({q_2}\) respectively but \({q_1} \ne {q_2}\).The balls are brought together so they touch each other and then kept in their original positions. The force between them:

1 Zero
2 Remains same
3 Increases
4 Decreases
PHXII01:ELECTRIC CHARGES AND FIELDS

358114 A certain charge 2\(Q\) is divided at first into two parts \({q_1}\) and \({q_2}\). Later the charges are placed at a certain distance. If the force of interaction between two charges is maximum then \(\frac{Q}{{{q_1}}} = \) ……

1 \(1\)
2 \(4\)
3 \(0.5\)
4 \(2\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358115 A \(10 \mu C\) charge is divided into two parts and placed at \(1\;cm\) distance so that the repulsive force between them is maximum. The charges of the two parts are

1 \(9\,\mu C,1\,\mu C\)
2 \(7\,\mu C,3\,\mu C\)
3 \(8\,\mu C,2\,\mu C\)
4 \(5\,\mu C,5\,\mu C\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358116 Two charges are placed at a distance apart. If a glass slab is placed between them, the force between them will

1 Be zero
2 Increase
3 Decrease
4 Remains same
PHXII01:ELECTRIC CHARGES AND FIELDS

358112 A charge particle \(q_{1}\) is at position \((2,-1,3)\). The electrostatics force on another charged particle \(q_{2}\) at \((0,0,0)\) is :

1 \(\dfrac{q_{1} q_{2}}{56 \pi \epsilon_{0}}(2 \hat{i}-\hat{j}+3 \hat{k})\)
2 \(\frac{1}{{4\pi { \in _0}}}\frac{{{q_1}{q_2}}}{{{{(\sqrt {14} )}^3}}}( - 2\hat i + \hat j - 3\hat k)\)
3 \(\frac{{{q_1}{q_2}}}{{56\pi {_0}}}(\hat j - 2\hat i - 3\hat k)\)
4 \(\frac{{{q_1}{q_2}}}{{56\sqrt {14} \pi {_0}}}(2\hat i - \hat j + 3\hat k)\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358113 Two identical size insulating balls \(A\) and \(B\) have positive charges \({q_1}\) and \({q_2}\) respectively but \({q_1} \ne {q_2}\).The balls are brought together so they touch each other and then kept in their original positions. The force between them:

1 Zero
2 Remains same
3 Increases
4 Decreases
PHXII01:ELECTRIC CHARGES AND FIELDS

358114 A certain charge 2\(Q\) is divided at first into two parts \({q_1}\) and \({q_2}\). Later the charges are placed at a certain distance. If the force of interaction between two charges is maximum then \(\frac{Q}{{{q_1}}} = \) ……

1 \(1\)
2 \(4\)
3 \(0.5\)
4 \(2\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358115 A \(10 \mu C\) charge is divided into two parts and placed at \(1\;cm\) distance so that the repulsive force between them is maximum. The charges of the two parts are

1 \(9\,\mu C,1\,\mu C\)
2 \(7\,\mu C,3\,\mu C\)
3 \(8\,\mu C,2\,\mu C\)
4 \(5\,\mu C,5\,\mu C\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358116 Two charges are placed at a distance apart. If a glass slab is placed between them, the force between them will

1 Be zero
2 Increase
3 Decrease
4 Remains same
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII01:ELECTRIC CHARGES AND FIELDS

358112 A charge particle \(q_{1}\) is at position \((2,-1,3)\). The electrostatics force on another charged particle \(q_{2}\) at \((0,0,0)\) is :

1 \(\dfrac{q_{1} q_{2}}{56 \pi \epsilon_{0}}(2 \hat{i}-\hat{j}+3 \hat{k})\)
2 \(\frac{1}{{4\pi { \in _0}}}\frac{{{q_1}{q_2}}}{{{{(\sqrt {14} )}^3}}}( - 2\hat i + \hat j - 3\hat k)\)
3 \(\frac{{{q_1}{q_2}}}{{56\pi {_0}}}(\hat j - 2\hat i - 3\hat k)\)
4 \(\frac{{{q_1}{q_2}}}{{56\sqrt {14} \pi {_0}}}(2\hat i - \hat j + 3\hat k)\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358113 Two identical size insulating balls \(A\) and \(B\) have positive charges \({q_1}\) and \({q_2}\) respectively but \({q_1} \ne {q_2}\).The balls are brought together so they touch each other and then kept in their original positions. The force between them:

1 Zero
2 Remains same
3 Increases
4 Decreases
PHXII01:ELECTRIC CHARGES AND FIELDS

358114 A certain charge 2\(Q\) is divided at first into two parts \({q_1}\) and \({q_2}\). Later the charges are placed at a certain distance. If the force of interaction between two charges is maximum then \(\frac{Q}{{{q_1}}} = \) ……

1 \(1\)
2 \(4\)
3 \(0.5\)
4 \(2\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358115 A \(10 \mu C\) charge is divided into two parts and placed at \(1\;cm\) distance so that the repulsive force between them is maximum. The charges of the two parts are

1 \(9\,\mu C,1\,\mu C\)
2 \(7\,\mu C,3\,\mu C\)
3 \(8\,\mu C,2\,\mu C\)
4 \(5\,\mu C,5\,\mu C\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358116 Two charges are placed at a distance apart. If a glass slab is placed between them, the force between them will

1 Be zero
2 Increase
3 Decrease
4 Remains same
PHXII01:ELECTRIC CHARGES AND FIELDS

358112 A charge particle \(q_{1}\) is at position \((2,-1,3)\). The electrostatics force on another charged particle \(q_{2}\) at \((0,0,0)\) is :

1 \(\dfrac{q_{1} q_{2}}{56 \pi \epsilon_{0}}(2 \hat{i}-\hat{j}+3 \hat{k})\)
2 \(\frac{1}{{4\pi { \in _0}}}\frac{{{q_1}{q_2}}}{{{{(\sqrt {14} )}^3}}}( - 2\hat i + \hat j - 3\hat k)\)
3 \(\frac{{{q_1}{q_2}}}{{56\pi {_0}}}(\hat j - 2\hat i - 3\hat k)\)
4 \(\frac{{{q_1}{q_2}}}{{56\sqrt {14} \pi {_0}}}(2\hat i - \hat j + 3\hat k)\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358113 Two identical size insulating balls \(A\) and \(B\) have positive charges \({q_1}\) and \({q_2}\) respectively but \({q_1} \ne {q_2}\).The balls are brought together so they touch each other and then kept in their original positions. The force between them:

1 Zero
2 Remains same
3 Increases
4 Decreases
PHXII01:ELECTRIC CHARGES AND FIELDS

358114 A certain charge 2\(Q\) is divided at first into two parts \({q_1}\) and \({q_2}\). Later the charges are placed at a certain distance. If the force of interaction between two charges is maximum then \(\frac{Q}{{{q_1}}} = \) ……

1 \(1\)
2 \(4\)
3 \(0.5\)
4 \(2\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358115 A \(10 \mu C\) charge is divided into two parts and placed at \(1\;cm\) distance so that the repulsive force between them is maximum. The charges of the two parts are

1 \(9\,\mu C,1\,\mu C\)
2 \(7\,\mu C,3\,\mu C\)
3 \(8\,\mu C,2\,\mu C\)
4 \(5\,\mu C,5\,\mu C\)
PHXII01:ELECTRIC CHARGES AND FIELDS

358116 Two charges are placed at a distance apart. If a glass slab is placed between them, the force between them will

1 Be zero
2 Increase
3 Decrease
4 Remains same