Shadan Alam
Apr 9
TRUE OR FALSE 1+1=2?
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Apr 9
True
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Dagi D
Apr 23
I. WRITE TRUE IF THE STETEMENT IS CORRECT FALSE IF IT'S NOT CORRECT.
1. According to the law of electrostatics like charge repel and unlike charge attract each other.
2. Electric field line starts from negative charge and goes to positive charge.
3. The metal bar erected at the top of building to protect the building from lightning is called lightning rod.
4. Without magnetism the use of electrical device is impossible.
5. We can separate the North and South Pole the magnet by cutting the magnet into pieces.
6. Ammeter is a device that used to measure potential difference.
II. CHOOSE THE CORRECT ANSWEER FROM THE FOLLOWING ALTERNATIEVES
7. From the process of charging methods, on which methods after the process the body become the same type of charged.
A. Charging by conduction
B. charging by induction
C. charging by friction
D. $B \& C$
8. A battery of $20 v$ is connected in series with resistance of $1 \Omega, 2 \Omega, 3 \Omega 4 \Omega$. what is the total current on this circuit?
A. $4 A$
B. $2 A$
C. $5 A$
D. $0.5 A$
9. From the following alternatives one is not the safety of electric, during electric accident or shocks.
A. Avoid all water, when using plugged-in appliance.
B. Never touch power of line with anything.
C. Never use appliance with frayed or damage electric cords.
D. Always respect warning signs and labels.
E. None of the above
10. Two charges $q_{1}=2 \mu c , q_{2}=-4 \mu c$ are placed $20 cm$ apart, what is the magnitude and direction of the force that one charge exert over the other? (USE $K=9 \times 10^{9} Nm ^{2} / c ^{2}$ )
A. $1.8 N$, attractive
B. $3.6 N$, attractive
C. $1.8 N$, repulsive
D. $3.6 N$, repulsive
11. Why copper and aluminum wires are usually employed for electricity transmission?
A. Because they have very high resisfivity
B. Because they have very low resisfivity
C. Because they are pure conductive materials
D. All are correct
1. According to the law of electrostatics like charge repel and unlike charge attract each other.
2. Electric field line starts from negative charge and goes to positive charge.
3. The metal bar erected at the top of building to protect the building from lightning is called lightning rod.
4. Without magnetism the use of electrical device is impossible.
5. We can separate the North and South Pole the magnet by cutting the magnet into pieces.
6. Ammeter is a device that used to measure potential difference.
II. CHOOSE THE CORRECT ANSWEER FROM THE FOLLOWING ALTERNATIEVES
7. From the process of charging methods, on which methods after the process the body become the same type of charged.
A. Charging by conduction
B. charging by induction
C. charging by friction
D. $B \& C$
8. A battery of $20 v$ is connected in series with resistance of $1 \Omega, 2 \Omega, 3 \Omega 4 \Omega$. what is the total current on this circuit?
A. $4 A$
B. $2 A$
C. $5 A$
D. $0.5 A$
9. From the following alternatives one is not the safety of electric, during electric accident or shocks.
A. Avoid all water, when using plugged-in appliance.
B. Never touch power of line with anything.
C. Never use appliance with frayed or damage electric cords.
D. Always respect warning signs and labels.
E. None of the above
10. Two charges $q_{1}=2 \mu c , q_{2}=-4 \mu c$ are placed $20 cm$ apart, what is the magnitude and direction of the force that one charge exert over the other? (USE $K=9 \times 10^{9} Nm ^{2} / c ^{2}$ )
A. $1.8 N$, attractive
B. $3.6 N$, attractive
C. $1.8 N$, repulsive
D. $3.6 N$, repulsive
11. Why copper and aluminum wires are usually employed for electricity transmission?
A. Because they have very high resisfivity
B. Because they have very low resisfivity
C. Because they are pure conductive materials
D. All are correct
0
Anonymous
Apr 23
I. WRITE TRUE IF THE STETEMENT IS CORRECT FALSE IF IT'S NOT CORRECT.
1. According to the law of electrostatics like charge repel and unlike charge attract each other.
2. Electric field line starts from negative charge and goes to positive charge.
3. The metal bar erected at the top of building to protect the building from lightning is called lightning rod.
4. Without magnetism the use of electrical device is impossible.
5. We can separate the North and South Pole the magnet by cutting the magnet into pieces.
6. Ammeter is a device that used to measure potential difference.
II. CHOOSE THE CORRECT ANSWEER FROM THE FOLLOWING ALTERNATIEVES
7. From the process of charging methods, on which methods after the process the body become the same type of charged.
A. Charging by conduction
B. charging by induction
C. charging by friction
D. $B \& C$
8. A battery of $20 v$ is connected in series with resistance of $1 \Omega, 2 \Omega, 3 \Omega 4 \Omega$. what is the total current on this circuit?
A. $4 A$
B. $2 A$
C. $5 A$
D. $0.5 A$
9. From the following alternatives one is not the safety of electric, during electric accident or shocks.
A. Avoid all water, when using plugged-in appliance.
B. Never touch power of line with anything.
C. Never use appliance with frayed or damage electric cords.
D. Always respect warning signs and labels.
E. None of the above
10. Two charges $q_{1}=2 \mu c , q_{2}=-4 \mu c$ are placed $20 cm$ apart, what is the magnitude and direction of the force that one charge exert over the other? (USE $K=9 \times 10^{9} Nm ^{2} / c ^{2}$ )
A. $1.8 N$, attractive
B. $3.6 N$, attractive
C. $1.8 N$, repulsive
D. $3.6 N$, repulsive
11. Why copper and aluminum wires are usually employed for electricity transmission?
A. Because they have very high resisfivity
B. Because they have very low resisfivity
C. Because they are pure conductive materials
D. All are correct
1. According to the law of electrostatics like charge repel and unlike charge attract each other.
2. Electric field line starts from negative charge and goes to positive charge.
3. The metal bar erected at the top of building to protect the building from lightning is called lightning rod.
4. Without magnetism the use of electrical device is impossible.
5. We can separate the North and South Pole the magnet by cutting the magnet into pieces.
6. Ammeter is a device that used to measure potential difference.
II. CHOOSE THE CORRECT ANSWEER FROM THE FOLLOWING ALTERNATIEVES
7. From the process of charging methods, on which methods after the process the body become the same type of charged.
A. Charging by conduction
B. charging by induction
C. charging by friction
D. $B \& C$
8. A battery of $20 v$ is connected in series with resistance of $1 \Omega, 2 \Omega, 3 \Omega 4 \Omega$. what is the total current on this circuit?
A. $4 A$
B. $2 A$
C. $5 A$
D. $0.5 A$
9. From the following alternatives one is not the safety of electric, during electric accident or shocks.
A. Avoid all water, when using plugged-in appliance.
B. Never touch power of line with anything.
C. Never use appliance with frayed or damage electric cords.
D. Always respect warning signs and labels.
E. None of the above
10. Two charges $q_{1}=2 \mu c , q_{2}=-4 \mu c$ are placed $20 cm$ apart, what is the magnitude and direction of the force that one charge exert over the other? (USE $K=9 \times 10^{9} Nm ^{2} / c ^{2}$ )
A. $1.8 N$, attractive
B. $3.6 N$, attractive
C. $1.8 N$, repulsive
D. $3.6 N$, repulsive
11. Why copper and aluminum wires are usually employed for electricity transmission?
A. Because they have very high resisfivity
B. Because they have very low resisfivity
C. Because they are pure conductive materials
D. All are correct
0
