Answer: B. The south magnetic pole attracts the north pole of another magnet.
Explanation:
The correct statement below about the interaction between magnets, magnetic materials and charges is that the south magnetic pole attracts the north pole of another magnet.
We should note that a magnet typically consists of two poles which are the North Pole and the South pole. The opposite poles doesn't repel each other but attracts each other while same pole repels one another.
In this case, the North Pole will attract the South Pole while same magnetic piles repel e.g the North Pole will repel the North Pole.
Answer : The time taken for a 50 µF capacitor to fully charge if it is in a series circuit with a 100 KΩ resistor is, 0.5 seconds.
Explanation :
RC time constant is the time constant (in seconds). It is equal to the product of the circuit resistance (in ohms) and the circuit capacitance (in farads).
The formula will be:
where,
= time constant = ?
R = resistance = 100 KΩ = 100000 Ω
Conversion used : (1 KΩ = 1000 Ω)
C = capacitance = 50 μF = 50 × 10⁻⁶ F
Conversion used : (1 μF = 10⁻⁶ F)
Now put all the given values in the above formula, we get:
Thus, the time taken for a 50 µF capacitor to fully charge if it is in a series circuit with a 100 KΩ resistor is, 0.5 seconds.
Answer:
D. Select fresh, small flowers that will match the décor
Explanation:
- This question would probably fall under Floral Design instead of Physics, but selecting these small flowers can help create a better visual look and floral design overall.
The size of the field 'decreases'. Imagine zooming in on your TV so that your face is pressed up against the screen. you can see the individual pixels but you cannot see the whole picture because the sizer of your 'field of view' has shrunk.
Answer:
Solved
Explanation:
Free body diagram has been attached
and FBD we can say that
tension in c and b will be higher as T_1 helps to keep both the person steady.
So,
m_a=m_b=m_c= 65 kg and θ=25°
The term g×sinθ is the component of acceleration along the inclined surface
Similarly
putting the value of θ and mass we get
T_2= 269.207 N
T_1= 538.41 N