Basic Properties Of electric charge
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII01:ELECTRIC CHARGES AND FIELDS

357972 Assume that each of copper atoms has one free electron. Estimate the number of free electrons in 1 \(mg\) of copper. Given that atomic weight of copper \( = 63.5g\) and Avogadro number is \(6.023 \times {10^{23}}\).What is the charge possessed by these free electrons?

1 \(1.76\,C\)
2 \(1.52\,C\)
3 \(1.25\,C\)
4 \(4.76\,C\)
PHXII01:ELECTRIC CHARGES AND FIELDS

357973 What is charge on \(90\;kg\) of electrons?

1 \(1.58 \times {10^{13}}C\)
2 \(2.3 \times {10^{12}}C\)
3 \(2.53 \times {10^{12}}C\)
4 None of these
PHXII01:ELECTRIC CHARGES AND FIELDS

357974 \(1\,\mu C\) contains how much units of basic charge \(e\) ?

1 \({\rm{6}} \times {\rm{1}}{{\rm{0}}^{{\rm{12}}}}\)
2 \(8 \times {\rm{1}}{{\rm{0}}^{{\rm{14}}}}\)
3 \(7 \times {\rm{1}}{{\rm{0}}^{{\rm{15}}}}\)
4 \(11 \times {\rm{1}}{{\rm{0}}^{{\rm{11}}}}\)
PHXII01:ELECTRIC CHARGES AND FIELDS

357975 I.
The charge \(q\) on a body is always given by \(q = ne\),where n is any integer, positive or negative
II.
By convention, the charge on an electron is taken to be negative.
III.
The fact that electric charge is always an integral multiple of e is termed as quantisation of charge
IV.
The quantisation of charge was experimentally demonstrated by Pascal.
Which of the statements is incorrect?

1 Only I
2 Only II
3 Only IV
4 Only III
PHXII01:ELECTRIC CHARGES AND FIELDS

357972 Assume that each of copper atoms has one free electron. Estimate the number of free electrons in 1 \(mg\) of copper. Given that atomic weight of copper \( = 63.5g\) and Avogadro number is \(6.023 \times {10^{23}}\).What is the charge possessed by these free electrons?

1 \(1.76\,C\)
2 \(1.52\,C\)
3 \(1.25\,C\)
4 \(4.76\,C\)
PHXII01:ELECTRIC CHARGES AND FIELDS

357973 What is charge on \(90\;kg\) of electrons?

1 \(1.58 \times {10^{13}}C\)
2 \(2.3 \times {10^{12}}C\)
3 \(2.53 \times {10^{12}}C\)
4 None of these
PHXII01:ELECTRIC CHARGES AND FIELDS

357974 \(1\,\mu C\) contains how much units of basic charge \(e\) ?

1 \({\rm{6}} \times {\rm{1}}{{\rm{0}}^{{\rm{12}}}}\)
2 \(8 \times {\rm{1}}{{\rm{0}}^{{\rm{14}}}}\)
3 \(7 \times {\rm{1}}{{\rm{0}}^{{\rm{15}}}}\)
4 \(11 \times {\rm{1}}{{\rm{0}}^{{\rm{11}}}}\)
PHXII01:ELECTRIC CHARGES AND FIELDS

357975 I.
The charge \(q\) on a body is always given by \(q = ne\),where n is any integer, positive or negative
II.
By convention, the charge on an electron is taken to be negative.
III.
The fact that electric charge is always an integral multiple of e is termed as quantisation of charge
IV.
The quantisation of charge was experimentally demonstrated by Pascal.
Which of the statements is incorrect?

1 Only I
2 Only II
3 Only IV
4 Only III
PHXII01:ELECTRIC CHARGES AND FIELDS

357972 Assume that each of copper atoms has one free electron. Estimate the number of free electrons in 1 \(mg\) of copper. Given that atomic weight of copper \( = 63.5g\) and Avogadro number is \(6.023 \times {10^{23}}\).What is the charge possessed by these free electrons?

1 \(1.76\,C\)
2 \(1.52\,C\)
3 \(1.25\,C\)
4 \(4.76\,C\)
PHXII01:ELECTRIC CHARGES AND FIELDS

357973 What is charge on \(90\;kg\) of electrons?

1 \(1.58 \times {10^{13}}C\)
2 \(2.3 \times {10^{12}}C\)
3 \(2.53 \times {10^{12}}C\)
4 None of these
PHXII01:ELECTRIC CHARGES AND FIELDS

357974 \(1\,\mu C\) contains how much units of basic charge \(e\) ?

1 \({\rm{6}} \times {\rm{1}}{{\rm{0}}^{{\rm{12}}}}\)
2 \(8 \times {\rm{1}}{{\rm{0}}^{{\rm{14}}}}\)
3 \(7 \times {\rm{1}}{{\rm{0}}^{{\rm{15}}}}\)
4 \(11 \times {\rm{1}}{{\rm{0}}^{{\rm{11}}}}\)
PHXII01:ELECTRIC CHARGES AND FIELDS

357975 I.
The charge \(q\) on a body is always given by \(q = ne\),where n is any integer, positive or negative
II.
By convention, the charge on an electron is taken to be negative.
III.
The fact that electric charge is always an integral multiple of e is termed as quantisation of charge
IV.
The quantisation of charge was experimentally demonstrated by Pascal.
Which of the statements is incorrect?

1 Only I
2 Only II
3 Only IV
4 Only III
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII01:ELECTRIC CHARGES AND FIELDS

357972 Assume that each of copper atoms has one free electron. Estimate the number of free electrons in 1 \(mg\) of copper. Given that atomic weight of copper \( = 63.5g\) and Avogadro number is \(6.023 \times {10^{23}}\).What is the charge possessed by these free electrons?

1 \(1.76\,C\)
2 \(1.52\,C\)
3 \(1.25\,C\)
4 \(4.76\,C\)
PHXII01:ELECTRIC CHARGES AND FIELDS

357973 What is charge on \(90\;kg\) of electrons?

1 \(1.58 \times {10^{13}}C\)
2 \(2.3 \times {10^{12}}C\)
3 \(2.53 \times {10^{12}}C\)
4 None of these
PHXII01:ELECTRIC CHARGES AND FIELDS

357974 \(1\,\mu C\) contains how much units of basic charge \(e\) ?

1 \({\rm{6}} \times {\rm{1}}{{\rm{0}}^{{\rm{12}}}}\)
2 \(8 \times {\rm{1}}{{\rm{0}}^{{\rm{14}}}}\)
3 \(7 \times {\rm{1}}{{\rm{0}}^{{\rm{15}}}}\)
4 \(11 \times {\rm{1}}{{\rm{0}}^{{\rm{11}}}}\)
PHXII01:ELECTRIC CHARGES AND FIELDS

357975 I.
The charge \(q\) on a body is always given by \(q = ne\),where n is any integer, positive or negative
II.
By convention, the charge on an electron is taken to be negative.
III.
The fact that electric charge is always an integral multiple of e is termed as quantisation of charge
IV.
The quantisation of charge was experimentally demonstrated by Pascal.
Which of the statements is incorrect?

1 Only I
2 Only II
3 Only IV
4 Only III