MCQ Bank

A current of 10 Amperes flows through a resistor with a resistance of 41 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

A current of 2 Amperes flows through a resistor with a resistance of 41 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

A current of 7 Amperes flows through a resistor with a resistance of 42 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

A current of 4 Amperes flows through a resistor with a resistance of 46 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

A current of 15 Amperes flows through a resistor with a resistance of 8 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

A current of 12 Amperes flows through a resistor with a resistance of 15 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

A current of 6 Amperes flows through a resistor with a resistance of 5 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

A current of 6 Amperes flows through a resistor with a resistance of 41 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

A current of 10 Amperes flows through a resistor with a resistance of 11 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

A current of 4 Amperes flows through a resistor with a resistance of 8 Ohms. According to Ohm's Law, what is the voltage drop across the resistor?

If the physical length of a uniform metallic wire is doubled while keeping its volume and temperature constant, its electrical resistance will:

Electrical circuit problem 19: If a direct current of 2 Amperes flows through a resistor when a potential difference of 39 Volts is applied, what is its resistance?

Electrical circuit problem 12: If a direct current of 2 Amperes flows through a resistor when a potential difference of 32 Volts is applied, what is its resistance?

Electrical circuit problem 15: If a direct current of 2 Amperes flows through a resistor when a potential difference of 35 Volts is applied, what is its resistance?

According to Lenz's Law, the direction of an induced current will always:

Electrical circuit problem 14: If a direct current of 2 Amperes flows through a resistor when a potential difference of 34 Volts is applied, what is its resistance?

Electrical circuit problem 17: If a direct current of 2 Amperes flows through a resistor when a potential difference of 37 Volts is applied, what is its resistance?

Electrical circuit problem 13: If a direct current of 2 Amperes flows through a resistor when a potential difference of 33 Volts is applied, what is its resistance?

Electrical circuit problem 11: If a direct current of 2 Amperes flows through a resistor when a potential difference of 31 Volts is applied, what is its resistance?

The electric field intensity at a distance $r$ from a point charge $q$ is proportional to: