10th Grade 1st Term 1st Formative EXAM

+6 C charges in the direction of arrow X and -6 C the direction of arrow Y pass in 4 seconds through a conductor given in the figure above. According to this, what can be said about the current of the conductor?

• 24 A flows in the direction of arrow Y

• 3 A current flows in the direction of arrow Y

• the current does not pass

• A current of 3 A flows in the direction of arrow X

• 2 A current flows in the direction of arrow X

Resistance, resistivity and cross-sectional areas of the wires A, B, C are given in the table. The length of A is 4 times the length of C and the half of B. Accordingly, What are the values of R_A and p_B ?

• K_A : 16

  p_{B :} 0,2

• K_A : 16

  p_{B :}  0,8

• K_A : 4

  p_{B :} 1,6

• K_A : 4

  p_{B :} 0,2

• K_A : 8

  p_{B :} 0,8

Which one of the following is a unit of potential difference

• Ohm

• Volt

• Ampere

• Watt

• Joule

The resistance of a wire is ___________ proportional to the length of the wire

Every charged particle produces______________

• a negative charge

• a positive charge

• a magnetic field

• an electric field

• an electric current

For the electric circuit given in the figure.
If the Voltmeter V₁ shows 20 volts, what does

the voltmeter V₂ show?

• 8

• 16

• 24

• 32

• 40

Electrical potential differences cause

• electrons to move from the positive terminal to the negative terminal

• electrons to move from the negative terminal to the positive terminal

• protons to move from the positive terminal to the negative terminal

• protons to move from the negative terminal to the positive terminal

• neutral charges to move from the positive terminal to the negative terminal

Appliances connected so that they from a single pathway for charges to flow are connected in a(n)

• Opened circuit

• Closed circuits

• Series circuit

• Parallel circuit

• Magnetic circuits

Fill the Blanck;

The results tell us that the ratio of potential difference to the current is a Constant value. The constant value in this ratio is equal to the ____________ of the wire.

• Resistance

• Electric current

• Potential difference

• Electric field

• Electrical Energy

_________________ found that current, voltage, and resistance are always related.

• Isaac Newton

• Albert Einstein

• Georg Ohm

• Niels Bohr

• Ervin Schrödinger